Home / 389,135.58-583,751.16-133,010.52

Finding the Fourth Proportional to 389,135.58, 583,751.16 and 133,010.52

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Solution

The fourth proportional to 389,135.58, 583,751.16 and 133,010.52 is: 199,532.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,135.58 : 583,751.16 = 133,010.52 : x
  2. Step 2: Convert to fraction form
    389,135.58/583,751.16 = 133,010.52/x
  3. Step 3: Cross multiply
    389,135.58x = 583,751.16 × 133,010.52
  4. Step 4: Simplify right side
    389,135.58x = 77,645,045,342.20
  5. Step 5: Solve for x
    x = 77,645,045,342.20/389,135.58
  6. Step 6: Final answer
    x = 199,532.12

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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.