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Finding the Fourth Proportional to 402,443.34, 555,250.70 and 241,239.57

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Solution

The fourth proportional to 402,443.34, 555,250.70 and 241,239.57 is: 332,838.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,443.34 : 555,250.70 = 241,239.57 : x
  2. Step 2: Convert to fraction form
    402,443.34/555,250.70 = 241,239.57/x
  3. Step 3: Cross multiply
    402,443.34x = 555,250.70 × 241,239.57
  4. Step 4: Simplify right side
    402,443.34x = 133,948,438,904.00
  5. Step 5: Solve for x
    x = 133,948,438,904.00/402,443.34
  6. Step 6: Final answer
    x = 332,838.01

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1.5x scale

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.