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Finding the Fourth Proportional to 283,650.30, 425,475.45 and 260,030.70

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Solution

The fourth proportional to 283,650.30, 425,475.45 and 260,030.70 is: 390,046.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,650.30 : 425,475.45 = 260,030.70 : x
  2. Step 2: Convert to fraction form
    283,650.30/425,475.45 = 260,030.70/x
  3. Step 3: Cross multiply
    283,650.30x = 425,475.45 × 260,030.70
  4. Step 4: Simplify right side
    283,650.30x = 110,636,679,096.32
  5. Step 5: Solve for x
    x = 110,636,679,096.32/283,650.30
  6. Step 6: Final answer
    x = 390,046.05

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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.