Home / 279,878.04-386,220.24-152,550.84

Finding the Fourth Proportional to 279,878.04, 386,220.24 and 152,550.84

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Solution

The fourth proportional to 279,878.04, 386,220.24 and 152,550.84 is: 210,513.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,878.04 : 386,220.24 = 152,550.84 : x
  2. Step 2: Convert to fraction form
    279,878.04/386,220.24 = 152,550.84/x
  3. Step 3: Cross multiply
    279,878.04x = 386,220.24 × 152,550.84
  4. Step 4: Simplify right side
    279,878.04x = 58,918,222,037.00
  5. Step 5: Solve for x
    x = 58,918,222,037.00/279,878.04
  6. Step 6: Final answer
    x = 210,513.92

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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.