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Finding the Fourth Proportional to 507,364.38, 700,124.31 and 281,005.02

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Solution

The fourth proportional to 507,364.38, 700,124.31 and 281,005.02 is: 387,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,364.38 : 700,124.31 = 281,005.02 : x
  2. Step 2: Convert to fraction form
    507,364.38/700,124.31 = 281,005.02/x
  3. Step 3: Cross multiply
    507,364.38x = 700,124.31 × 281,005.02
  4. Step 4: Simplify right side
    507,364.38x = 196,738,445,734.04
  5. Step 5: Solve for x
    x = 196,738,445,734.04/507,364.38
  6. Step 6: Final answer
    x = 387,765.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.