Home / 438,060.04-657,088.14-171,632.40

Finding the Fourth Proportional to 438,060.04, 657,088.14 and 171,632.40

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Solution

The fourth proportional to 438,060.04, 657,088.14 and 171,632.40 is: 257,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,060.04 : 657,088.14 = 171,632.40 : x
  2. Step 2: Convert to fraction form
    438,060.04/657,088.14 = 171,632.40/x
  3. Step 3: Cross multiply
    438,060.04x = 657,088.14 × 171,632.40
  4. Step 4: Simplify right side
    438,060.04x = 112,777,614,479.74
  5. Step 5: Solve for x
    x = 112,777,614,479.74/438,060.04
  6. Step 6: Final answer
    x = 257,447.85

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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.