Home / 238,279.68-328,852.20-136,314.60

Finding the Fourth Proportional to 238,279.68, 328,852.20 and 136,314.60

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Solution

The fourth proportional to 238,279.68, 328,852.20 and 136,314.60 is: 188,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,279.68 : 328,852.20 = 136,314.60 : x
  2. Step 2: Convert to fraction form
    238,279.68/328,852.20 = 136,314.60/x
  3. Step 3: Cross multiply
    238,279.68x = 328,852.20 × 136,314.60
  4. Step 4: Simplify right side
    238,279.68x = 44,827,356,102.12
  5. Step 5: Solve for x
    x = 44,827,356,102.12/238,279.68
  6. Step 6: Final answer
    x = 188,129.16

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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.