Home / 449,222.87-619,929.69-245,277.92

Finding the Fourth Proportional to 449,222.87, 619,929.69 and 245,277.92

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Solution

The fourth proportional to 449,222.87, 619,929.69 and 245,277.92 is: 338,484.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,222.87 : 619,929.69 = 245,277.92 : x
  2. Step 2: Convert to fraction form
    449,222.87/619,929.69 = 245,277.92/x
  3. Step 3: Cross multiply
    449,222.87x = 619,929.69 × 245,277.92
  4. Step 4: Simplify right side
    449,222.87x = 152,055,064,909.45
  5. Step 5: Solve for x
    x = 152,055,064,909.45/449,222.87
  6. Step 6: Final answer
    x = 338,484.69

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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.