Home / 345,377.66-476,490.14-209,362.02

Finding the Fourth Proportional to 345,377.66, 476,490.14 and 209,362.02

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Solution

The fourth proportional to 345,377.66, 476,490.14 and 209,362.02 is: 288,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,377.66 : 476,490.14 = 209,362.02 : x
  2. Step 2: Convert to fraction form
    345,377.66/476,490.14 = 209,362.02/x
  3. Step 3: Cross multiply
    345,377.66x = 476,490.14 × 209,362.02
  4. Step 4: Simplify right side
    345,377.66x = 99,758,938,220.48
  5. Step 5: Solve for x
    x = 99,758,938,220.48/345,377.66
  6. Step 6: Final answer
    x = 288,840.16

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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.