Home / 486,277.38-729,510.63-186,735.96

Finding the Fourth Proportional to 486,277.38, 729,510.63 and 186,735.96

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Solution

The fourth proportional to 486,277.38, 729,510.63 and 186,735.96 is: 280,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,277.38 : 729,510.63 = 186,735.96 : x
  2. Step 2: Convert to fraction form
    486,277.38/729,510.63 = 186,735.96/x
  3. Step 3: Cross multiply
    486,277.38x = 729,510.63 × 186,735.96
  4. Step 4: Simplify right side
    486,277.38x = 136,225,867,823.26
  5. Step 5: Solve for x
    x = 136,225,867,823.26/486,277.38
  6. Step 6: Final answer
    x = 280,140.25

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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.