Home / 208,877.41-288,256.05-113,384.10

Finding the Fourth Proportional to 208,877.41, 288,256.05 and 113,384.10

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Solution

The fourth proportional to 208,877.41, 288,256.05 and 113,384.10 is: 156,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,877.41 : 288,256.05 = 113,384.10 : x
  2. Step 2: Convert to fraction form
    208,877.41/288,256.05 = 113,384.10/x
  3. Step 3: Cross multiply
    208,877.41x = 288,256.05 × 113,384.10
  4. Step 4: Simplify right side
    208,877.41x = 32,683,652,231.88
  5. Step 5: Solve for x
    x = 32,683,652,231.88/208,877.41
  6. Step 6: Final answer
    x = 156,472.89

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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.