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Finding the Fourth Proportional to 608,296.48, 912,496.62 and 159,016.63

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Solution

The fourth proportional to 608,296.48, 912,496.62 and 159,016.63 is: 238,538.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,296.48 : 912,496.62 = 159,016.63 : x
  2. Step 2: Convert to fraction form
    608,296.48/912,496.62 = 159,016.63/x
  3. Step 3: Cross multiply
    608,296.48x = 912,496.62 × 159,016.63
  4. Step 4: Simplify right side
    608,296.48x = 145,102,140,276.35
  5. Step 5: Solve for x
    x = 145,102,140,276.35/608,296.48
  6. Step 6: Final answer
    x = 238,538.52

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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.