Home / 325,271.85-487,907.78-125,601.45

Finding the Fourth Proportional to 325,271.85, 487,907.78 and 125,601.45

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Solution

The fourth proportional to 325,271.85, 487,907.78 and 125,601.45 is: 188,402.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,271.85 : 487,907.78 = 125,601.45 : x
  2. Step 2: Convert to fraction form
    325,271.85/487,907.78 = 125,601.45/x
  3. Step 3: Cross multiply
    325,271.85x = 487,907.78 × 125,601.45
  4. Step 4: Simplify right side
    325,271.85x = 61,281,924,006.27
  5. Step 5: Solve for x
    x = 61,281,924,006.27/325,271.85
  6. Step 6: Final answer
    x = 188,402.18

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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.