Home / 427,288.50-589,479.96-245,957.04

Finding the Fourth Proportional to 427,288.50, 589,479.96 and 245,957.04

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Solution

The fourth proportional to 427,288.50, 589,479.96 and 245,957.04 is: 339,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,288.50 : 589,479.96 = 245,957.04 : x
  2. Step 2: Convert to fraction form
    427,288.50/589,479.96 = 245,957.04/x
  3. Step 3: Cross multiply
    427,288.50x = 589,479.96 × 245,957.04
  4. Step 4: Simplify right side
    427,288.50x = 144,986,746,100.92
  5. Step 5: Solve for x
    x = 144,986,746,100.92/427,288.50
  6. Step 6: Final answer
    x = 339,318.16

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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.