Home / 538,555.02-807,830.08-139,161.84

Finding the Fourth Proportional to 538,555.02, 807,830.08 and 139,161.84

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Solution

The fourth proportional to 538,555.02, 807,830.08 and 139,161.84 is: 208,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,555.02 : 807,830.08 = 139,161.84 : x
  2. Step 2: Convert to fraction form
    538,555.02/807,830.08 = 139,161.84/x
  3. Step 3: Cross multiply
    538,555.02x = 807,830.08 × 139,161.84
  4. Step 4: Simplify right side
    538,555.02x = 112,419,120,340.15
  5. Step 5: Solve for x
    x = 112,419,120,340.15/538,555.02
  6. Step 6: Final answer
    x = 208,742.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.