Home / 261,817.90-361,521.76-213,427.42

Finding the Fourth Proportional to 261,817.90, 361,521.76 and 213,427.42

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Solution

The fourth proportional to 261,817.90, 361,521.76 and 213,427.42 is: 294,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,817.90 : 361,521.76 = 213,427.42 : x
  2. Step 2: Convert to fraction form
    261,817.90/361,521.76 = 213,427.42/x
  3. Step 3: Cross multiply
    261,817.90x = 361,521.76 × 213,427.42
  4. Step 4: Simplify right side
    261,817.90x = 77,158,656,510.66
  5. Step 5: Solve for x
    x = 77,158,656,510.66/261,817.90
  6. Step 6: Final answer
    x = 294,703.52

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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.