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Finding the Fourth Proportional to 651,878.76, 977,253.02 and 252,244.56

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Solution

The fourth proportional to 651,878.76, 977,253.02 and 252,244.56 is: 378,148.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,878.76 : 977,253.02 = 252,244.56 : x
  2. Step 2: Convert to fraction form
    651,878.76/977,253.02 = 252,244.56/x
  3. Step 3: Cross multiply
    651,878.76x = 977,253.02 × 252,244.56
  4. Step 4: Simplify right side
    651,878.76x = 246,506,758,038.57
  5. Step 5: Solve for x
    x = 246,506,758,038.57/651,878.76
  6. Step 6: Final answer
    x = 378,148.17

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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.