Home / 208,852.60-288,216.82-113,359.28

Finding the Fourth Proportional to 208,852.60, 288,216.82 and 113,359.28

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Solution

The fourth proportional to 208,852.60, 288,216.82 and 113,359.28 is: 156,435.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,852.60 : 288,216.82 = 113,359.28 : x
  2. Step 2: Convert to fraction form
    208,852.60/288,216.82 = 113,359.28/x
  3. Step 3: Cross multiply
    208,852.60x = 288,216.82 × 113,359.28
  4. Step 4: Simplify right side
    208,852.60x = 32,672,051,199.09
  5. Step 5: Solve for x
    x = 32,672,051,199.09/208,852.60
  6. Step 6: Final answer
    x = 156,435.93

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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.