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Finding the Fourth Proportional to 473,501.64, 653,421.48 and 258,642.64

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Solution

The fourth proportional to 473,501.64, 653,421.48 and 258,642.64 is: 356,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,501.64 : 653,421.48 = 258,642.64 : x
  2. Step 2: Convert to fraction form
    473,501.64/653,421.48 = 258,642.64/x
  3. Step 3: Cross multiply
    473,501.64x = 653,421.48 × 258,642.64
  4. Step 4: Simplify right side
    473,501.64x = 169,002,656,619.91
  5. Step 5: Solve for x
    x = 169,002,656,619.91/473,501.64
  6. Step 6: Final answer
    x = 356,920.95

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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.