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Finding the Fourth Proportional to 373,920.68, 560,960.75 and 171,419.06

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Solution

The fourth proportional to 373,920.68, 560,960.75 and 171,419.06 is: 257,165.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,920.68 : 560,960.75 = 171,419.06 : x
  2. Step 2: Convert to fraction form
    373,920.68/560,960.75 = 171,419.06/x
  3. Step 3: Cross multiply
    373,920.68x = 560,960.75 × 171,419.06
  4. Step 4: Simplify right side
    373,920.68x = 96,159,366,292.84
  5. Step 5: Solve for x
    x = 96,159,366,292.84/373,920.68
  6. Step 6: Final answer
    x = 257,165.14

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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.