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Finding the Fourth Proportional to 242,460.85, 334,606.35 and 135,030.88

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Solution

The fourth proportional to 242,460.85, 334,606.35 and 135,030.88 is: 186,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,460.85 : 334,606.35 = 135,030.88 : x
  2. Step 2: Convert to fraction form
    242,460.85/334,606.35 = 135,030.88/x
  3. Step 3: Cross multiply
    242,460.85x = 334,606.35 × 135,030.88
  4. Step 4: Simplify right side
    242,460.85x = 45,182,189,894.09
  5. Step 5: Solve for x
    x = 45,182,189,894.09/242,460.85
  6. Step 6: Final answer
    x = 186,348.40

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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.