Home / 312,678.02-466,728.77-268,588.10

Finding the Fourth Proportional to 312,678.02, 466,728.77 and 268,588.10

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Solution

The fourth proportional to 312,678.02, 466,728.77 and 268,588.10 is: 400,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,678.02 : 466,728.77 = 268,588.10 : x
  2. Step 2: Convert to fraction form
    312,678.02/466,728.77 = 268,588.10/x
  3. Step 3: Cross multiply
    312,678.02x = 466,728.77 × 268,588.10
  4. Step 4: Simplify right side
    312,678.02x = 125,357,793,549.64
  5. Step 5: Solve for x
    x = 125,357,793,549.64/312,678.02
  6. Step 6: Final answer
    x = 400,916.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.