Home / 437,590.08-655,991.19-157,041.72

Finding the Fourth Proportional to 437,590.08, 655,991.19 and 157,041.72

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Solution

The fourth proportional to 437,590.08, 655,991.19 and 157,041.72 is: 235,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,590.08 : 655,991.19 = 157,041.72 : x
  2. Step 2: Convert to fraction form
    437,590.08/655,991.19 = 157,041.72/x
  3. Step 3: Cross multiply
    437,590.08x = 655,991.19 × 157,041.72
  4. Step 4: Simplify right side
    437,590.08x = 103,017,984,782.45
  5. Step 5: Solve for x
    x = 103,017,984,782.45/437,590.08
  6. Step 6: Final answer
    x = 235,421.21

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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.