Home / 389,935.40-584,903.10-224,047.40

Finding the Fourth Proportional to 389,935.40, 584,903.10 and 224,047.40

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Solution

The fourth proportional to 389,935.40, 584,903.10 and 224,047.40 is: 336,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,935.40 : 584,903.10 = 224,047.40 : x
  2. Step 2: Convert to fraction form
    389,935.40/584,903.10 = 224,047.40/x
  3. Step 3: Cross multiply
    389,935.40x = 584,903.10 × 224,047.40
  4. Step 4: Simplify right side
    389,935.40x = 131,046,018,806.94
  5. Step 5: Solve for x
    x = 131,046,018,806.94/389,935.40
  6. Step 6: Final answer
    x = 336,071.10

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.