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Finding the Fourth Proportional to 242,697.90, 334,924.67 and 135,274.76

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Solution

The fourth proportional to 242,697.90, 334,924.67 and 135,274.76 is: 186,680.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,697.90 : 334,924.67 = 135,274.76 : x
  2. Step 2: Convert to fraction form
    242,697.90/334,924.67 = 135,274.76/x
  3. Step 3: Cross multiply
    242,697.90x = 334,924.67 × 135,274.76
  4. Step 4: Simplify right side
    242,697.90x = 45,306,854,271.86
  5. Step 5: Solve for x
    x = 45,306,854,271.86/242,697.90
  6. Step 6: Final answer
    x = 186,680.04

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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.