Home / 355,288.22-490,276.86-194,111.18

Finding the Fourth Proportional to 355,288.22, 490,276.86 and 194,111.18

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Solution

The fourth proportional to 355,288.22, 490,276.86 and 194,111.18 is: 267,862.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,288.22 : 490,276.86 = 194,111.18 : x
  2. Step 2: Convert to fraction form
    355,288.22/490,276.86 = 194,111.18/x
  3. Step 3: Cross multiply
    355,288.22x = 490,276.86 × 194,111.18
  4. Step 4: Simplify right side
    355,288.22x = 95,168,219,821.29
  5. Step 5: Solve for x
    x = 95,168,219,821.29/355,288.22
  6. Step 6: Final answer
    x = 267,862.02

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1.5x scale

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.