Home / 238,222.56-357,386.40-80,447.52

Finding the Fourth Proportional to 238,222.56, 357,386.40 and 80,447.52

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Solution

The fourth proportional to 238,222.56, 357,386.40 and 80,447.52 is: 120,689.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,222.56 : 357,386.40 = 80,447.52 : x
  2. Step 2: Convert to fraction form
    238,222.56/357,386.40 = 80,447.52/x
  3. Step 3: Cross multiply
    238,222.56x = 357,386.40 × 80,447.52
  4. Step 4: Simplify right side
    238,222.56x = 28,750,849,561.73
  5. Step 5: Solve for x
    x = 28,750,849,561.73/238,222.56
  6. Step 6: Final answer
    x = 120,689.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.