Home / 238,219.27-357,253.04-78,258.07

Finding the Fourth Proportional to 238,219.27, 357,253.04 and 78,258.07

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Solution

The fourth proportional to 238,219.27, 357,253.04 and 78,258.07 is: 117,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,219.27 : 357,253.04 = 78,258.07 : x
  2. Step 2: Convert to fraction form
    238,219.27/357,253.04 = 78,258.07/x
  3. Step 3: Cross multiply
    238,219.27x = 357,253.04 × 78,258.07
  4. Step 4: Simplify right side
    238,219.27x = 27,957,934,838.92
  5. Step 5: Solve for x
    x = 27,957,934,838.92/238,219.27
  6. Step 6: Final answer
    x = 117,362.19

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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.