Home / 238,810.32-329,567.76-131,389.20

Finding the Fourth Proportional to 238,810.32, 329,567.76 and 131,389.20

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Solution

The fourth proportional to 238,810.32, 329,567.76 and 131,389.20 is: 181,322.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,810.32 : 329,567.76 = 131,389.20 : x
  2. Step 2: Convert to fraction form
    238,810.32/329,567.76 = 131,389.20/x
  3. Step 3: Cross multiply
    238,810.32x = 329,567.76 × 131,389.20
  4. Step 4: Simplify right side
    238,810.32x = 43,301,644,332.19
  5. Step 5: Solve for x
    x = 43,301,644,332.19/238,810.32
  6. Step 6: Final answer
    x = 181,322.33

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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.