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Finding the Fourth Proportional to 344,024.80, 515,000.40 and 302,552.80

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Solution

The fourth proportional to 344,024.80, 515,000.40 and 302,552.80 is: 452,917.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,024.80 : 515,000.40 = 302,552.80 : x
  2. Step 2: Convert to fraction form
    344,024.80/515,000.40 = 302,552.80/x
  3. Step 3: Cross multiply
    344,024.80x = 515,000.40 × 302,552.80
  4. Step 4: Simplify right side
    344,024.80x = 155,814,813,021.12
  5. Step 5: Solve for x
    x = 155,814,813,021.12/344,024.80
  6. Step 6: Final answer
    x = 452,917.39

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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.