Home / 449,252.53-619,981.28-245,316.40

Finding the Fourth Proportional to 449,252.53, 619,981.28 and 245,316.40

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Solution

The fourth proportional to 449,252.53, 619,981.28 and 245,316.40 is: 338,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,252.53 : 619,981.28 = 245,316.40 : x
  2. Step 2: Convert to fraction form
    449,252.53/619,981.28 = 245,316.40/x
  3. Step 3: Cross multiply
    449,252.53x = 619,981.28 × 245,316.40
  4. Step 4: Simplify right side
    449,252.53x = 152,091,575,676.99
  5. Step 5: Solve for x
    x = 152,091,575,676.99/449,252.53
  6. Step 6: Final answer
    x = 338,543.62

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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.