Home / 400,389.42-552,548.23-245,338.02

Finding the Fourth Proportional to 400,389.42, 552,548.23 and 245,338.02

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Solution

The fourth proportional to 400,389.42, 552,548.23 and 245,338.02 is: 338,573.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,389.42 : 552,548.23 = 245,338.02 : x
  2. Step 2: Convert to fraction form
    400,389.42/552,548.23 = 245,338.02/x
  3. Step 3: Cross multiply
    400,389.42x = 552,548.23 × 245,338.02
  4. Step 4: Simplify right side
    400,389.42x = 135,561,088,702.71
  5. Step 5: Solve for x
    x = 135,561,088,702.71/400,389.42
  6. Step 6: Final answer
    x = 338,573.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.