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Finding the Fourth Proportional to 283,329.90, 424,010.70 and 259,710.30

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Solution

The fourth proportional to 283,329.90, 424,010.70 and 259,710.30 is: 388,663.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,329.90 : 424,010.70 = 259,710.30 : x
  2. Step 2: Convert to fraction form
    283,329.90/424,010.70 = 259,710.30/x
  3. Step 3: Cross multiply
    283,329.90x = 424,010.70 × 259,710.30
  4. Step 4: Simplify right side
    283,329.90x = 110,119,946,100.21
  5. Step 5: Solve for x
    x = 110,119,946,100.21/283,329.90
  6. Step 6: Final answer
    x = 388,663.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.