Home / 454,154.49-626,703.21-272,758.64

Finding the Fourth Proportional to 454,154.49, 626,703.21 and 272,758.64

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Solution

The fourth proportional to 454,154.49, 626,703.21 and 272,758.64 is: 376,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,154.49 : 626,703.21 = 272,758.64 : x
  2. Step 2: Convert to fraction form
    454,154.49/626,703.21 = 272,758.64/x
  3. Step 3: Cross multiply
    454,154.49x = 626,703.21 × 272,758.64
  4. Step 4: Simplify right side
    454,154.49x = 170,938,712,109.72
  5. Step 5: Solve for x
    x = 170,938,712,109.72/454,154.49
  6. Step 6: Final answer
    x = 376,388.91

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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.