Home / 280,282.72-386,798.70-159,441.52

Finding the Fourth Proportional to 280,282.72, 386,798.70 and 159,441.52

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Solution

The fourth proportional to 280,282.72, 386,798.70 and 159,441.52 is: 220,034.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,282.72 : 386,798.70 = 159,441.52 : x
  2. Step 2: Convert to fraction form
    280,282.72/386,798.70 = 159,441.52/x
  3. Step 3: Cross multiply
    280,282.72x = 386,798.70 × 159,441.52
  4. Step 4: Simplify right side
    280,282.72x = 61,671,772,662.02
  5. Step 5: Solve for x
    x = 61,671,772,662.02/280,282.72
  6. Step 6: Final answer
    x = 220,034.16

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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.