Home / 526,275.10-789,291.90-147,222.68

Finding the Fourth Proportional to 526,275.10, 789,291.90 and 147,222.68

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Solution

The fourth proportional to 526,275.10, 789,291.90 and 147,222.68 is: 220,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,275.10 : 789,291.90 = 147,222.68 : x
  2. Step 2: Convert to fraction form
    526,275.10/789,291.90 = 147,222.68/x
  3. Step 3: Cross multiply
    526,275.10x = 789,291.90 × 147,222.68
  4. Step 4: Simplify right side
    526,275.10x = 116,201,668,820.29
  5. Step 5: Solve for x
    x = 116,201,668,820.29/526,275.10
  6. Step 6: Final answer
    x = 220,800.24

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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.