Home / 280,205.44-386,684.76-152,883.70

Finding the Fourth Proportional to 280,205.44, 386,684.76 and 152,883.70

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Solution

The fourth proportional to 280,205.44, 386,684.76 and 152,883.70 is: 210,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,205.44 : 386,684.76 = 152,883.70 : x
  2. Step 2: Convert to fraction form
    280,205.44/386,684.76 = 152,883.70/x
  3. Step 3: Cross multiply
    280,205.44x = 386,684.76 × 152,883.70
  4. Step 4: Simplify right side
    280,205.44x = 59,117,796,842.41
  5. Step 5: Solve for x
    x = 59,117,796,842.41/280,205.44
  6. Step 6: Final answer
    x = 210,980.19

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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.