Home / 426,911.18-589,121.51-245,651.13

Finding the Fourth Proportional to 426,911.18, 589,121.51 and 245,651.13

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Solution

The fourth proportional to 426,911.18, 589,121.51 and 245,651.13 is: 338,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,911.18 : 589,121.51 = 245,651.13 : x
  2. Step 2: Convert to fraction form
    426,911.18/589,121.51 = 245,651.13/x
  3. Step 3: Cross multiply
    426,911.18x = 589,121.51 × 245,651.13
  4. Step 4: Simplify right side
    426,911.18x = 144,718,363,410.55
  5. Step 5: Solve for x
    x = 144,718,363,410.55/426,911.18
  6. Step 6: Final answer
    x = 338,989.40

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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.