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Finding the Fourth Proportional to 232,478.80, 348,718.20 and 164,572.45

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Solution

The fourth proportional to 232,478.80, 348,718.20 and 164,572.45 is: 246,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,478.80 : 348,718.20 = 164,572.45 : x
  2. Step 2: Convert to fraction form
    232,478.80/348,718.20 = 164,572.45/x
  3. Step 3: Cross multiply
    232,478.80x = 348,718.20 × 164,572.45
  4. Step 4: Simplify right side
    232,478.80x = 57,389,408,533.59
  5. Step 5: Solve for x
    x = 57,389,408,533.59/232,478.80
  6. Step 6: Final answer
    x = 246,858.68

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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.