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Finding the Fourth Proportional to 485,751.16, 670,314.18 and 270,880.84

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Solution

The fourth proportional to 485,751.16, 670,314.18 and 270,880.84 is: 373,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,751.16 : 670,314.18 = 270,880.84 : x
  2. Step 2: Convert to fraction form
    485,751.16/670,314.18 = 270,880.84/x
  3. Step 3: Cross multiply
    485,751.16x = 670,314.18 × 270,880.84
  4. Step 4: Simplify right side
    485,751.16x = 181,575,268,142.31
  5. Step 5: Solve for x
    x = 181,575,268,142.31/485,751.16
  6. Step 6: Final answer
    x = 373,803.06

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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.