Home / 348,036.30-480,521.34-267,319.38

Finding the Fourth Proportional to 348,036.30, 480,521.34 and 267,319.38

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Solution

The fourth proportional to 348,036.30, 480,521.34 and 267,319.38 is: 369,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,036.30 : 480,521.34 = 267,319.38 : x
  2. Step 2: Convert to fraction form
    348,036.30/480,521.34 = 267,319.38/x
  3. Step 3: Cross multiply
    348,036.30x = 480,521.34 × 267,319.38
  4. Step 4: Simplify right side
    348,036.30x = 128,452,666,685.57
  5. Step 5: Solve for x
    x = 128,452,666,685.57/348,036.30
  6. Step 6: Final answer
    x = 369,078.36

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1.5x scale

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.