Home / 345,195.80-476,381.05-190,158.34

Finding the Fourth Proportional to 345,195.80, 476,381.05 and 190,158.34

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Solution

The fourth proportional to 345,195.80, 476,381.05 and 190,158.34 is: 262,424.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,195.80 : 476,381.05 = 190,158.34 : x
  2. Step 2: Convert to fraction form
    345,195.80/476,381.05 = 190,158.34/x
  3. Step 3: Cross multiply
    345,195.80x = 476,381.05 × 190,158.34
  4. Step 4: Simplify right side
    345,195.80x = 90,587,827,293.55
  5. Step 5: Solve for x
    x = 90,587,827,293.55/345,195.80
  6. Step 6: Final answer
    x = 262,424.48

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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.