Home / 288,688.52-398,374.04-159,619.55

Finding the Fourth Proportional to 288,688.52, 398,374.04 and 159,619.55

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Solution

The fourth proportional to 288,688.52, 398,374.04 and 159,619.55 is: 220,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,688.52 : 398,374.04 = 159,619.55 : x
  2. Step 2: Convert to fraction form
    288,688.52/398,374.04 = 159,619.55/x
  3. Step 3: Cross multiply
    288,688.52x = 398,374.04 × 159,619.55
  4. Step 4: Simplify right side
    288,688.52x = 63,588,283,403.66
  5. Step 5: Solve for x
    x = 63,588,283,403.66/288,688.52
  6. Step 6: Final answer
    x = 220,266.06

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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.