Home / 501,271.34-752,005.38-220,788.50

Finding the Fourth Proportional to 501,271.34, 752,005.38 and 220,788.50

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Solution

The fourth proportional to 501,271.34, 752,005.38 and 220,788.50 is: 331,226.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,271.34 : 752,005.38 = 220,788.50 : x
  2. Step 2: Convert to fraction form
    501,271.34/752,005.38 = 220,788.50/x
  3. Step 3: Cross multiply
    501,271.34x = 752,005.38 × 220,788.50
  4. Step 4: Simplify right side
    501,271.34x = 166,034,139,842.13
  5. Step 5: Solve for x
    x = 166,034,139,842.13/501,271.34
  6. Step 6: Final answer
    x = 331,226.08

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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.