Home / 305,300.05-458,047.10-136,965.13

Finding the Fourth Proportional to 305,300.05, 458,047.10 and 136,965.13

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Solution

The fourth proportional to 305,300.05, 458,047.10 and 136,965.13 is: 205,491.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,300.05 : 458,047.10 = 136,965.13 : x
  2. Step 2: Convert to fraction form
    305,300.05/458,047.10 = 136,965.13/x
  3. Step 3: Cross multiply
    305,300.05x = 458,047.10 × 136,965.13
  4. Step 4: Simplify right side
    305,300.05x = 62,736,479,912.80
  5. Step 5: Solve for x
    x = 62,736,479,912.80/305,300.05
  6. Step 6: Final answer
    x = 205,491.22

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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.