Home / 261,817.02-361,520.55-213,426.54

Finding the Fourth Proportional to 261,817.02, 361,520.55 and 213,426.54

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Solution

The fourth proportional to 261,817.02, 361,520.55 and 213,426.54 is: 294,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,817.02 : 361,520.55 = 213,426.54 : x
  2. Step 2: Convert to fraction form
    261,817.02/361,520.55 = 213,426.54/x
  3. Step 3: Cross multiply
    261,817.02x = 361,520.55 × 213,426.54
  4. Step 4: Simplify right side
    261,817.02x = 77,158,080,125.40
  5. Step 5: Solve for x
    x = 77,158,080,125.40/261,817.02
  6. Step 6: Final answer
    x = 294,702.31

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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.