Home / 285,374.04-393,819.48-158,051.76

Finding the Fourth Proportional to 285,374.04, 393,819.48 and 158,051.76

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Solution

The fourth proportional to 285,374.04, 393,819.48 and 158,051.76 is: 218,113.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,374.04 : 393,819.48 = 158,051.76 : x
  2. Step 2: Convert to fraction form
    285,374.04/393,819.48 = 158,051.76/x
  3. Step 3: Cross multiply
    285,374.04x = 393,819.48 × 158,051.76
  4. Step 4: Simplify right side
    285,374.04x = 62,243,861,936.28
  5. Step 5: Solve for x
    x = 62,243,861,936.28/285,374.04
  6. Step 6: Final answer
    x = 218,113.26

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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.