Home / 208,927.64-288,320.14-113,434.35

Finding the Fourth Proportional to 208,927.64, 288,320.14 and 113,434.35

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Solution

The fourth proportional to 208,927.64, 288,320.14 and 113,434.35 is: 156,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,927.64 : 288,320.14 = 113,434.35 : x
  2. Step 2: Convert to fraction form
    208,927.64/288,320.14 = 113,434.35/x
  3. Step 3: Cross multiply
    208,927.64x = 288,320.14 × 113,434.35
  4. Step 4: Simplify right side
    208,927.64x = 32,705,407,389.22
  5. Step 5: Solve for x
    x = 32,705,407,389.22/208,927.64
  6. Step 6: Final answer
    x = 156,539.40

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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.