Home / 236,429.70-354,972.60-147,856.20

Finding the Fourth Proportional to 236,429.70, 354,972.60 and 147,856.20

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Solution

The fourth proportional to 236,429.70, 354,972.60 and 147,856.20 is: 221,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,429.70 : 354,972.60 = 147,856.20 : x
  2. Step 2: Convert to fraction form
    236,429.70/354,972.60 = 147,856.20/x
  3. Step 3: Cross multiply
    236,429.70x = 354,972.60 × 147,856.20
  4. Step 4: Simplify right side
    236,429.70x = 52,484,899,740.12
  5. Step 5: Solve for x
    x = 52,484,899,740.12/236,429.70
  6. Step 6: Final answer
    x = 221,989.45

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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.