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Finding the Fourth Proportional to 346,510.08, 519,972.48 and 318,309.12

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Solution

The fourth proportional to 346,510.08, 519,972.48 and 318,309.12 is: 477,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,510.08 : 519,972.48 = 318,309.12 : x
  2. Step 2: Convert to fraction form
    346,510.08/519,972.48 = 318,309.12/x
  3. Step 3: Cross multiply
    346,510.08x = 519,972.48 × 318,309.12
  4. Step 4: Simplify right side
    346,510.08x = 165,511,982,533.02
  5. Step 5: Solve for x
    x = 165,511,982,533.02/346,510.08
  6. Step 6: Final answer
    x = 477,654.16

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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.