Home / 237,680.66-328,008.34-135,722.72

Finding the Fourth Proportional to 237,680.66, 328,008.34 and 135,722.72

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Solution

The fourth proportional to 237,680.66, 328,008.34 and 135,722.72 is: 187,302.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,680.66 : 328,008.34 = 135,722.72 : x
  2. Step 2: Convert to fraction form
    237,680.66/328,008.34 = 135,722.72/x
  3. Step 3: Cross multiply
    237,680.66x = 328,008.34 × 135,722.72
  4. Step 4: Simplify right side
    237,680.66x = 44,518,184,087.48
  5. Step 5: Solve for x
    x = 44,518,184,087.48/237,680.66
  6. Step 6: Final answer
    x = 187,302.51

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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.