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Finding the Fourth Proportional to 628,753.20, 942,561.03 and 229,300.38

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Solution

The fourth proportional to 628,753.20, 942,561.03 and 229,300.38 is: 343,743.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,753.20 : 942,561.03 = 229,300.38 : x
  2. Step 2: Convert to fraction form
    628,753.20/942,561.03 = 229,300.38/x
  3. Step 3: Cross multiply
    628,753.20x = 942,561.03 × 229,300.38
  4. Step 4: Simplify right side
    628,753.20x = 216,129,602,352.19
  5. Step 5: Solve for x
    x = 216,129,602,352.19/628,753.20
  6. Step 6: Final answer
    x = 343,743.14

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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.