Home / 366,484.20-549,531.90-129,834.60

Finding the Fourth Proportional to 366,484.20, 549,531.90 and 129,834.60

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Solution

The fourth proportional to 366,484.20, 549,531.90 and 129,834.60 is: 194,683.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,484.20 : 549,531.90 = 129,834.60 : x
  2. Step 2: Convert to fraction form
    366,484.20/549,531.90 = 129,834.60/x
  3. Step 3: Cross multiply
    366,484.20x = 549,531.90 × 129,834.60
  4. Step 4: Simplify right side
    366,484.20x = 71,348,254,423.74
  5. Step 5: Solve for x
    x = 71,348,254,423.74/366,484.20
  6. Step 6: Final answer
    x = 194,683.03

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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.