Home / 220,848.40-304,778.16-124,069.20

Finding the Fourth Proportional to 220,848.40, 304,778.16 and 124,069.20

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Solution

The fourth proportional to 220,848.40, 304,778.16 and 124,069.20 is: 171,219.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,848.40 : 304,778.16 = 124,069.20 : x
  2. Step 2: Convert to fraction form
    220,848.40/304,778.16 = 124,069.20/x
  3. Step 3: Cross multiply
    220,848.40x = 304,778.16 × 124,069.20
  4. Step 4: Simplify right side
    220,848.40x = 37,813,582,488.67
  5. Step 5: Solve for x
    x = 37,813,582,488.67/220,848.40
  6. Step 6: Final answer
    x = 171,219.64

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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.