Home / 345,272.95-476,095.85-236,395.21

Finding the Fourth Proportional to 345,272.95, 476,095.85 and 236,395.21

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Solution

The fourth proportional to 345,272.95, 476,095.85 and 236,395.21 is: 325,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,272.95 : 476,095.85 = 236,395.21 : x
  2. Step 2: Convert to fraction form
    345,272.95/476,095.85 = 236,395.21/x
  3. Step 3: Cross multiply
    345,272.95x = 476,095.85 × 236,395.21
  4. Step 4: Simplify right side
    345,272.95x = 112,546,778,512.69
  5. Step 5: Solve for x
    x = 112,546,778,512.69/345,272.95
  6. Step 6: Final answer
    x = 325,964.65

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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.