Home / 220,340.38-304,162.74-148,817.28

Finding the Fourth Proportional to 220,340.38, 304,162.74 and 148,817.28

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Solution

The fourth proportional to 220,340.38, 304,162.74 and 148,817.28 is: 205,430.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,340.38 : 304,162.74 = 148,817.28 : x
  2. Step 2: Convert to fraction form
    220,340.38/304,162.74 = 148,817.28/x
  3. Step 3: Cross multiply
    220,340.38x = 304,162.74 × 148,817.28
  4. Step 4: Simplify right side
    220,340.38x = 45,264,671,644.15
  5. Step 5: Solve for x
    x = 45,264,671,644.15/220,340.38
  6. Step 6: Final answer
    x = 205,430.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.