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Finding the Fourth Proportional to 450,866.60, 676,047.12 and 308,872.28

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Solution

The fourth proportional to 450,866.60, 676,047.12 and 308,872.28 is: 463,135.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,866.60 : 676,047.12 = 308,872.28 : x
  2. Step 2: Convert to fraction form
    450,866.60/676,047.12 = 308,872.28/x
  3. Step 3: Cross multiply
    450,866.60x = 676,047.12 × 308,872.28
  4. Step 4: Simplify right side
    450,866.60x = 208,812,215,341.83
  5. Step 5: Solve for x
    x = 208,812,215,341.83/450,866.60
  6. Step 6: Final answer
    x = 463,135.25

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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.