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Finding the Fourth Proportional to 473,909.76, 653,995.48 and 259,050.72

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Solution

The fourth proportional to 473,909.76, 653,995.48 and 259,050.72 is: 357,490.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,909.76 : 653,995.48 = 259,050.72 : x
  2. Step 2: Convert to fraction form
    473,909.76/653,995.48 = 259,050.72/x
  3. Step 3: Cross multiply
    473,909.76x = 653,995.48 × 259,050.72
  4. Step 4: Simplify right side
    473,909.76x = 169,417,999,970.75
  5. Step 5: Solve for x
    x = 169,417,999,970.75/473,909.76
  6. Step 6: Final answer
    x = 357,490.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.