Home / 225,000.10-337,586.55-221,457.70

Finding the Fourth Proportional to 225,000.10, 337,586.55 and 221,457.70

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Solution

The fourth proportional to 225,000.10, 337,586.55 and 221,457.70 is: 332,271.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,000.10 : 337,586.55 = 221,457.70 : x
  2. Step 2: Convert to fraction form
    225,000.10/337,586.55 = 221,457.70/x
  3. Step 3: Cross multiply
    225,000.10x = 337,586.55 × 221,457.70
  4. Step 4: Simplify right side
    225,000.10x = 74,761,140,913.94
  5. Step 5: Solve for x
    x = 74,761,140,913.94/225,000.10
  6. Step 6: Final answer
    x = 332,271.59

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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.