Home / 220,248.84-330,395.04-70,451.52

Finding the Fourth Proportional to 220,248.84, 330,395.04 and 70,451.52

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Solution

The fourth proportional to 220,248.84, 330,395.04 and 70,451.52 is: 105,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,248.84 : 330,395.04 = 70,451.52 : x
  2. Step 2: Convert to fraction form
    220,248.84/330,395.04 = 70,451.52/x
  3. Step 3: Cross multiply
    220,248.84x = 330,395.04 × 70,451.52
  4. Step 4: Simplify right side
    220,248.84x = 23,276,832,768.46
  5. Step 5: Solve for x
    x = 23,276,832,768.46/220,248.84
  6. Step 6: Final answer
    x = 105,684.25

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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.