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Finding the Fourth Proportional to 655,599.30, 983,204.55 and 256,010.10

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Solution

The fourth proportional to 655,599.30, 983,204.55 and 256,010.10 is: 383,939.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,599.30 : 983,204.55 = 256,010.10 : x
  2. Step 2: Convert to fraction form
    655,599.30/983,204.55 = 256,010.10/x
  3. Step 3: Cross multiply
    655,599.30x = 983,204.55 × 256,010.10
  4. Step 4: Simplify right side
    655,599.30x = 251,710,295,165.96
  5. Step 5: Solve for x
    x = 251,710,295,165.96/655,599.30
  6. Step 6: Final answer
    x = 383,939.24

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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.