Home / 526,273.10-789,288.90-147,220.68

Finding the Fourth Proportional to 526,273.10, 789,288.90 and 147,220.68

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Solution

The fourth proportional to 526,273.10, 789,288.90 and 147,220.68 is: 220,797.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,273.10 : 789,288.90 = 147,220.68 : x
  2. Step 2: Convert to fraction form
    526,273.10/789,288.90 = 147,220.68/x
  3. Step 3: Cross multiply
    526,273.10x = 789,288.90 × 147,220.68
  4. Step 4: Simplify right side
    526,273.10x = 116,199,648,574.45
  5. Step 5: Solve for x
    x = 116,199,648,574.45/526,273.10
  6. Step 6: Final answer
    x = 220,797.24

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1.5x scale

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.