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Finding the Fourth Proportional to 415,889.28, 573,900.48 and 237,029.76

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Solution

The fourth proportional to 415,889.28, 573,900.48 and 237,029.76 is: 327,085.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,889.28 : 573,900.48 = 237,029.76 : x
  2. Step 2: Convert to fraction form
    415,889.28/573,900.48 = 237,029.76/x
  3. Step 3: Cross multiply
    415,889.28x = 573,900.48 × 237,029.76
  4. Step 4: Simplify right side
    415,889.28x = 136,031,493,038.29
  5. Step 5: Solve for x
    x = 136,031,493,038.29/415,889.28
  6. Step 6: Final answer
    x = 327,085.84

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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.