Home / 642,131.41-963,207.92-242,960.17

Finding the Fourth Proportional to 642,131.41, 963,207.92 and 242,960.17

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Solution

The fourth proportional to 642,131.41, 963,207.92 and 242,960.17 is: 364,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,131.41 : 963,207.92 = 242,960.17 : x
  2. Step 2: Convert to fraction form
    642,131.41/963,207.92 = 242,960.17/x
  3. Step 3: Cross multiply
    642,131.41x = 963,207.92 × 242,960.17
  4. Step 4: Simplify right side
    642,131.41x = 234,021,159,988.55
  5. Step 5: Solve for x
    x = 234,021,159,988.55/642,131.41
  6. Step 6: Final answer
    x = 364,444.34

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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.