Home / 417,971.27-626,956.81-102,425.45

Finding the Fourth Proportional to 417,971.27, 626,956.81 and 102,425.45

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Solution

The fourth proportional to 417,971.27, 626,956.81 and 102,425.45 is: 153,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,971.27 : 626,956.81 = 102,425.45 : x
  2. Step 2: Convert to fraction form
    417,971.27/626,956.81 = 102,425.45/x
  3. Step 3: Cross multiply
    417,971.27x = 626,956.81 × 102,425.45
  4. Step 4: Simplify right side
    417,971.27x = 64,216,330,003.97
  5. Step 5: Solve for x
    x = 64,216,330,003.97/417,971.27
  6. Step 6: Final answer
    x = 153,638.14

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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.