Home / 242,451.17-334,577.18-135,031.20

Finding the Fourth Proportional to 242,451.17, 334,577.18 and 135,031.20

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Solution

The fourth proportional to 242,451.17, 334,577.18 and 135,031.20 is: 186,340.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,451.17 : 334,577.18 = 135,031.20 : x
  2. Step 2: Convert to fraction form
    242,451.17/334,577.18 = 135,031.20/x
  3. Step 3: Cross multiply
    242,451.17x = 334,577.18 × 135,031.20
  4. Step 4: Simplify right side
    242,451.17x = 45,178,359,072.93
  5. Step 5: Solve for x
    x = 45,178,359,072.93/242,451.17
  6. Step 6: Final answer
    x = 186,340.03

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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.