Home / 220,252.89-330,403.32-70,457.97

Finding the Fourth Proportional to 220,252.89, 330,403.32 and 70,457.97

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Solution

The fourth proportional to 220,252.89, 330,403.32 and 70,457.97 is: 105,694.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,252.89 : 330,403.32 = 70,457.97 : x
  2. Step 2: Convert to fraction form
    220,252.89/330,403.32 = 70,457.97/x
  3. Step 3: Cross multiply
    220,252.89x = 330,403.32 × 70,457.97
  4. Step 4: Simplify right side
    220,252.89x = 23,279,547,208.46
  5. Step 5: Solve for x
    x = 23,279,547,208.46/220,252.89
  6. Step 6: Final answer
    x = 105,694.63

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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.