Home / 284,205.40-426,308.14-144,004.12

Finding the Fourth Proportional to 284,205.40, 426,308.14 and 144,004.12

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Solution

The fourth proportional to 284,205.40, 426,308.14 and 144,004.12 is: 216,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,205.40 : 426,308.14 = 144,004.12 : x
  2. Step 2: Convert to fraction form
    284,205.40/426,308.14 = 144,004.12/x
  3. Step 3: Cross multiply
    284,205.40x = 426,308.14 × 144,004.12
  4. Step 4: Simplify right side
    284,205.40x = 61,390,128,549.54
  5. Step 5: Solve for x
    x = 61,390,128,549.54/284,205.40
  6. Step 6: Final answer
    x = 216,006.20

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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.