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Finding the Fourth Proportional to 238,899.97, 329,713.50 and 154,263.07

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Solution

The fourth proportional to 238,899.97, 329,713.50 and 154,263.07 is: 212,903.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,899.97 : 329,713.50 = 154,263.07 : x
  2. Step 2: Convert to fraction form
    238,899.97/329,713.50 = 154,263.07/x
  3. Step 3: Cross multiply
    238,899.97x = 329,713.50 × 154,263.07
  4. Step 4: Simplify right side
    238,899.97x = 50,862,616,730.45
  5. Step 5: Solve for x
    x = 50,862,616,730.45/238,899.97
  6. Step 6: Final answer
    x = 212,903.40

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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.