Home / 208,856.52-288,214.28-113,361.20

Finding the Fourth Proportional to 208,856.52, 288,214.28 and 113,361.20

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Solution

The fourth proportional to 208,856.52, 288,214.28 and 113,361.20 is: 156,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,856.52 : 288,214.28 = 113,361.20 : x
  2. Step 2: Convert to fraction form
    208,856.52/288,214.28 = 113,361.20/x
  3. Step 3: Cross multiply
    208,856.52x = 288,214.28 × 113,361.20
  4. Step 4: Simplify right side
    208,856.52x = 32,672,316,637.94
  5. Step 5: Solve for x
    x = 32,672,316,637.94/208,856.52
  6. Step 6: Final answer
    x = 156,434.27

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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.