Home / 371,821.00-513,269.95-251,125.77

Finding the Fourth Proportional to 371,821.00, 513,269.95 and 251,125.77

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Solution

The fourth proportional to 371,821.00, 513,269.95 and 251,125.77 is: 346,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,821.00 : 513,269.95 = 251,125.77 : x
  2. Step 2: Convert to fraction form
    371,821.00/513,269.95 = 251,125.77/x
  3. Step 3: Cross multiply
    371,821.00x = 513,269.95 × 251,125.77
  4. Step 4: Simplify right side
    371,821.00x = 128,895,311,351.71
  5. Step 5: Solve for x
    x = 128,895,311,351.71/371,821.00
  6. Step 6: Final answer
    x = 346,659.58

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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.