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Finding the Fourth Proportional to 338,403.45, 466,996.78 and 187,500.45

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Solution

The fourth proportional to 338,403.45, 466,996.78 and 187,500.45 is: 258,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,403.45 : 466,996.78 = 187,500.45 : x
  2. Step 2: Convert to fraction form
    338,403.45/466,996.78 = 187,500.45/x
  3. Step 3: Cross multiply
    338,403.45x = 466,996.78 × 187,500.45
  4. Step 4: Simplify right side
    338,403.45x = 87,562,108,384.16
  5. Step 5: Solve for x
    x = 87,562,108,384.16/338,403.45
  6. Step 6: Final answer
    x = 258,750.63

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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.