Home / 243,569.40-365,354.10-155,214.60

Finding the Fourth Proportional to 243,569.40, 365,354.10 and 155,214.60

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Solution

The fourth proportional to 243,569.40, 365,354.10 and 155,214.60 is: 232,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,569.40 : 365,354.10 = 155,214.60 : x
  2. Step 2: Convert to fraction form
    243,569.40/365,354.10 = 155,214.60/x
  3. Step 3: Cross multiply
    243,569.40x = 365,354.10 × 155,214.60
  4. Step 4: Simplify right side
    243,569.40x = 56,708,290,489.86
  5. Step 5: Solve for x
    x = 56,708,290,489.86/243,569.40
  6. Step 6: Final answer
    x = 232,821.90

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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.