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Finding the Fourth Proportional to 473,575.19, 710,357.38 and 136,604.72

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Solution

The fourth proportional to 473,575.19, 710,357.38 and 136,604.72 is: 204,905.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,575.19 : 710,357.38 = 136,604.72 : x
  2. Step 2: Convert to fraction form
    473,575.19/710,357.38 = 136,604.72/x
  3. Step 3: Cross multiply
    473,575.19x = 710,357.38 × 136,604.72
  4. Step 4: Simplify right side
    473,575.19x = 97,038,172,429.22
  5. Step 5: Solve for x
    x = 97,038,172,429.22/473,575.19
  6. Step 6: Final answer
    x = 204,905.53

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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.