Home / 353,130.60-529,350.30-142,487.40

Finding the Fourth Proportional to 353,130.60, 529,350.30 and 142,487.40

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Solution

The fourth proportional to 353,130.60, 529,350.30 and 142,487.40 is: 213,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,130.60 : 529,350.30 = 142,487.40 : x
  2. Step 2: Convert to fraction form
    353,130.60/529,350.30 = 142,487.40/x
  3. Step 3: Cross multiply
    353,130.60x = 529,350.30 × 142,487.40
  4. Step 4: Simplify right side
    353,130.60x = 75,425,747,936.22
  5. Step 5: Solve for x
    x = 75,425,747,936.22/353,130.60
  6. Step 6: Final answer
    x = 213,591.65

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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.