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Finding the Fourth Proportional to 359,852.82, 539,779.92 and 93,612.90

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Solution

The fourth proportional to 359,852.82, 539,779.92 and 93,612.90 is: 140,419.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,852.82 : 539,779.92 = 93,612.90 : x
  2. Step 2: Convert to fraction form
    359,852.82/539,779.92 = 93,612.90/x
  3. Step 3: Cross multiply
    359,852.82x = 539,779.92 × 93,612.90
  4. Step 4: Simplify right side
    359,852.82x = 50,530,365,346.09
  5. Step 5: Solve for x
    x = 50,530,365,346.09/359,852.82
  6. Step 6: Final answer
    x = 140,419.54

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1.5x scale

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.