Home / 338,128.98-466,612.29-187,222.74

Finding the Fourth Proportional to 338,128.98, 466,612.29 and 187,222.74

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Solution

The fourth proportional to 338,128.98, 466,612.29 and 187,222.74 is: 258,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,128.98 : 466,612.29 = 187,222.74 : x
  2. Step 2: Convert to fraction form
    338,128.98/466,612.29 = 187,222.74/x
  3. Step 3: Cross multiply
    338,128.98x = 466,612.29 × 187,222.74
  4. Step 4: Simplify right side
    338,128.98x = 87,360,431,451.47
  5. Step 5: Solve for x
    x = 87,360,431,451.47/338,128.98
  6. Step 6: Final answer
    x = 258,364.22

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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.