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Finding the Fourth Proportional to 269,331.40, 371,679.92 and 148,477.40

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Solution

The fourth proportional to 269,331.40, 371,679.92 and 148,477.40 is: 204,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,331.40 : 371,679.92 = 148,477.40 : x
  2. Step 2: Convert to fraction form
    269,331.40/371,679.92 = 148,477.40/x
  3. Step 3: Cross multiply
    269,331.40x = 371,679.92 × 148,477.40
  4. Step 4: Simplify right side
    269,331.40x = 55,186,068,153.81
  5. Step 5: Solve for x
    x = 55,186,068,153.81/269,331.40
  6. Step 6: Final answer
    x = 204,900.24

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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.