Home / 345,119.84-476,354.08-268,621.28

Finding the Fourth Proportional to 345,119.84, 476,354.08 and 268,621.28

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Solution

The fourth proportional to 345,119.84, 476,354.08 and 268,621.28 is: 370,766.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,119.84 : 476,354.08 = 268,621.28 : x
  2. Step 2: Convert to fraction form
    345,119.84/476,354.08 = 268,621.28/x
  3. Step 3: Cross multiply
    345,119.84x = 476,354.08 × 268,621.28
  4. Step 4: Simplify right side
    345,119.84x = 127,958,842,702.82
  5. Step 5: Solve for x
    x = 127,958,842,702.82/345,119.84
  6. Step 6: Final answer
    x = 370,766.41

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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.