Home / 438,041.60-656,779.91-171,829.02

Finding the Fourth Proportional to 438,041.60, 656,779.91 and 171,829.02

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Solution

The fourth proportional to 438,041.60, 656,779.91 and 171,829.02 is: 257,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,041.60 : 656,779.91 = 171,829.02 : x
  2. Step 2: Convert to fraction form
    438,041.60/656,779.91 = 171,829.02/x
  3. Step 3: Cross multiply
    438,041.60x = 656,779.91 × 171,829.02
  4. Step 4: Simplify right side
    438,041.60x = 112,853,849,894.77
  5. Step 5: Solve for x
    x = 112,853,849,894.77/438,041.60
  6. Step 6: Final answer
    x = 257,632.72

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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.