Home / 429,128.44-592,136.81-257,006.07

Finding the Fourth Proportional to 429,128.44, 592,136.81 and 257,006.07

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Solution

The fourth proportional to 429,128.44, 592,136.81 and 257,006.07 is: 354,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,128.44 : 592,136.81 = 257,006.07 : x
  2. Step 2: Convert to fraction form
    429,128.44/592,136.81 = 257,006.07/x
  3. Step 3: Cross multiply
    429,128.44x = 592,136.81 × 257,006.07
  4. Step 4: Simplify right side
    429,128.44x = 152,182,753,155.41
  5. Step 5: Solve for x
    x = 152,182,753,155.41/429,128.44
  6. Step 6: Final answer
    x = 354,632.18

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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.