Home / 381,556.30-526,547.28-211,790.02

Finding the Fourth Proportional to 381,556.30, 526,547.28 and 211,790.02

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Solution

The fourth proportional to 381,556.30, 526,547.28 and 211,790.02 is: 292,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,556.30 : 526,547.28 = 211,790.02 : x
  2. Step 2: Convert to fraction form
    381,556.30/526,547.28 = 211,790.02/x
  3. Step 3: Cross multiply
    381,556.30x = 526,547.28 × 211,790.02
  4. Step 4: Simplify right side
    381,556.30x = 111,517,458,962.15
  5. Step 5: Solve for x
    x = 111,517,458,962.15/381,556.30
  6. Step 6: Final answer
    x = 292,270.00

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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.