Home / 688,112.80-1,032,169.20-182,672.80

Finding the Fourth Proportional to 688,112.80, 1,032,169.20 and 182,672.80

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Solution

The fourth proportional to 688,112.80, 1,032,169.20 and 182,672.80 is: 274,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,112.80 : 1,032,169.20 = 182,672.80 : x
  2. Step 2: Convert to fraction form
    688,112.80/1,032,169.20 = 182,672.80/x
  3. Step 3: Cross multiply
    688,112.80x = 1,032,169.20 × 182,672.80
  4. Step 4: Simplify right side
    688,112.80x = 188,549,237,837.76
  5. Step 5: Solve for x
    x = 188,549,237,837.76/688,112.80
  6. Step 6: Final answer
    x = 274,009.20

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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.