Home / 208,853.51-288,218.12-113,360.24

Finding the Fourth Proportional to 208,853.51, 288,218.12 and 113,360.24

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Solution

The fourth proportional to 208,853.51, 288,218.12 and 113,360.24 is: 156,437.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,853.51 : 288,218.12 = 113,360.24 : x
  2. Step 2: Convert to fraction form
    208,853.51/288,218.12 = 113,360.24/x
  3. Step 3: Cross multiply
    208,853.51x = 288,218.12 × 113,360.24
  4. Step 4: Simplify right side
    208,853.51x = 32,672,475,409.29
  5. Step 5: Solve for x
    x = 32,672,475,409.29/208,853.51
  6. Step 6: Final answer
    x = 156,437.29

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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.