Home / 486,280.16-729,455.27-186,760.74

Finding the Fourth Proportional to 486,280.16, 729,455.27 and 186,760.74

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Solution

The fourth proportional to 486,280.16, 729,455.27 and 186,760.74 is: 280,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,280.16 : 729,455.27 = 186,760.74 : x
  2. Step 2: Convert to fraction form
    486,280.16/729,455.27 = 186,760.74/x
  3. Step 3: Cross multiply
    486,280.16x = 729,455.27 × 186,760.74
  4. Step 4: Simplify right side
    486,280.16x = 136,233,602,374.82
  5. Step 5: Solve for x
    x = 136,233,602,374.82/486,280.16
  6. Step 6: Final answer
    x = 280,154.56

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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.