Home / 350,827.16-484,179-214,951.28

Finding the Fourth Proportional to 350,827.16, 484,179 and 214,951.28

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Solution

The fourth proportional to 350,827.16, 484,179 and 214,951.28 is: 296,655.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,827.16 : 484,179 = 214,951.28 : x
  2. Step 2: Convert to fraction form
    350,827.16/484,179 = 214,951.28/x
  3. Step 3: Cross multiply
    350,827.16x = 484,179 × 214,951.28
  4. Step 4: Simplify right side
    350,827.16x = 104,074,895,799.12
  5. Step 5: Solve for x
    x = 104,074,895,799.12/350,827.16
  6. Step 6: Final answer
    x = 296,655.75

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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.