Home / 220,256.82-330,407.04-70,459.50

Finding the Fourth Proportional to 220,256.82, 330,407.04 and 70,459.50

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Solution

The fourth proportional to 220,256.82, 330,407.04 and 70,459.50 is: 105,696.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,256.82 : 330,407.04 = 70,459.50 : x
  2. Step 2: Convert to fraction form
    220,256.82/330,407.04 = 70,459.50/x
  3. Step 3: Cross multiply
    220,256.82x = 330,407.04 × 70,459.50
  4. Step 4: Simplify right side
    220,256.82x = 23,280,314,834.88
  5. Step 5: Solve for x
    x = 23,280,314,834.88/220,256.82
  6. Step 6: Final answer
    x = 105,696.23

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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.