Home / 285,962.96-428,926.08-117,439.76

Finding the Fourth Proportional to 285,962.96, 428,926.08 and 117,439.76

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Solution

The fourth proportional to 285,962.96, 428,926.08 and 117,439.76 is: 176,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,962.96 : 428,926.08 = 117,439.76 : x
  2. Step 2: Convert to fraction form
    285,962.96/428,926.08 = 117,439.76/x
  3. Step 3: Cross multiply
    285,962.96x = 428,926.08 × 117,439.76
  4. Step 4: Simplify right side
    285,962.96x = 50,372,975,892.94
  5. Step 5: Solve for x
    x = 50,372,975,892.94/285,962.96
  6. Step 6: Final answer
    x = 176,152.10

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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.