Home / 220,948.32-304,817.76-153,919.20

Finding the Fourth Proportional to 220,948.32, 304,817.76 and 153,919.20

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Solution

The fourth proportional to 220,948.32, 304,817.76 and 153,919.20 is: 212,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,948.32 : 304,817.76 = 153,919.20 : x
  2. Step 2: Convert to fraction form
    220,948.32/304,817.76 = 153,919.20/x
  3. Step 3: Cross multiply
    220,948.32x = 304,817.76 × 153,919.20
  4. Step 4: Simplify right side
    220,948.32x = 46,917,305,764.99
  5. Step 5: Solve for x
    x = 46,917,305,764.99/220,948.32
  6. Step 6: Final answer
    x = 212,345.16

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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.