Home / 210,330.59-290,221.97-124,277.58

Finding the Fourth Proportional to 210,330.59, 290,221.97 and 124,277.58

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Solution

The fourth proportional to 210,330.59, 290,221.97 and 124,277.58 is: 171,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,330.59 : 290,221.97 = 124,277.58 : x
  2. Step 2: Convert to fraction form
    210,330.59/290,221.97 = 124,277.58/x
  3. Step 3: Cross multiply
    210,330.59x = 290,221.97 × 124,277.58
  4. Step 4: Simplify right side
    210,330.59x = 36,068,083,473.04
  5. Step 5: Solve for x
    x = 36,068,083,473.04/210,330.59
  6. Step 6: Final answer
    x = 171,482.83

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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.