Home / 465,268.37-642,141.02-284,085.95

Finding the Fourth Proportional to 465,268.37, 642,141.02 and 284,085.95

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Solution

The fourth proportional to 465,268.37, 642,141.02 and 284,085.95 is: 392,081.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,268.37 : 642,141.02 = 284,085.95 : x
  2. Step 2: Convert to fraction form
    465,268.37/642,141.02 = 284,085.95/x
  3. Step 3: Cross multiply
    465,268.37x = 642,141.02 × 284,085.95
  4. Step 4: Simplify right side
    465,268.37x = 182,423,240,280.24
  5. Step 5: Solve for x
    x = 182,423,240,280.24/465,268.37
  6. Step 6: Final answer
    x = 392,081.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.