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Finding the Fourth Proportional to 363,452.40, 544,595.40 and 342,457.20

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Solution

The fourth proportional to 363,452.40, 544,595.40 and 342,457.20 is: 513,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,452.40 : 544,595.40 = 342,457.20 : x
  2. Step 2: Convert to fraction form
    363,452.40/544,595.40 = 342,457.20/x
  3. Step 3: Cross multiply
    363,452.40x = 544,595.40 × 342,457.20
  4. Step 4: Simplify right side
    363,452.40x = 186,500,615,816.88
  5. Step 5: Solve for x
    x = 186,500,615,816.88/363,452.40
  6. Step 6: Final answer
    x = 513,136.29

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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.