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Finding the Fourth Proportional to 474,970.96, 655,462.02 and 260,112.52

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Solution

The fourth proportional to 474,970.96, 655,462.02 and 260,112.52 is: 358,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,970.96 : 655,462.02 = 260,112.52 : x
  2. Step 2: Convert to fraction form
    474,970.96/655,462.02 = 260,112.52/x
  3. Step 3: Cross multiply
    474,970.96x = 655,462.02 × 260,112.52
  4. Step 4: Simplify right side
    474,970.96x = 170,493,877,786.49
  5. Step 5: Solve for x
    x = 170,493,877,786.49/474,970.96
  6. Step 6: Final answer
    x = 358,956.43

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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.