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Finding the Fourth Proportional to 510,148.25, 764,894.32 and 243,902.87

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Solution

The fourth proportional to 510,148.25, 764,894.32 and 243,902.87 is: 365,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,148.25 : 764,894.32 = 243,902.87 : x
  2. Step 2: Convert to fraction form
    510,148.25/764,894.32 = 243,902.87/x
  3. Step 3: Cross multiply
    510,148.25x = 764,894.32 × 243,902.87
  4. Step 4: Simplify right side
    510,148.25x = 186,559,919,894.70
  5. Step 5: Solve for x
    x = 186,559,919,894.70/510,148.25
  6. Step 6: Final answer
    x = 365,697.46

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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.