Home / 208,918.26-288,307.20-113,424.98

Finding the Fourth Proportional to 208,918.26, 288,307.20 and 113,424.98

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Solution

The fourth proportional to 208,918.26, 288,307.20 and 113,424.98 is: 156,526.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,918.26 : 288,307.20 = 113,424.98 : x
  2. Step 2: Convert to fraction form
    208,918.26/288,307.20 = 113,424.98/x
  3. Step 3: Cross multiply
    208,918.26x = 288,307.20 × 113,424.98
  4. Step 4: Simplify right side
    208,918.26x = 32,701,238,393.86
  5. Step 5: Solve for x
    x = 32,701,238,393.86/208,918.26
  6. Step 6: Final answer
    x = 156,526.47

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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.