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Finding the Fourth Proportional to 369,632.16, 510,092.64 and 199,866.24

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Solution

The fourth proportional to 369,632.16, 510,092.64 and 199,866.24 is: 275,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,632.16 : 510,092.64 = 199,866.24 : x
  2. Step 2: Convert to fraction form
    369,632.16/510,092.64 = 199,866.24/x
  3. Step 3: Cross multiply
    369,632.16x = 510,092.64 × 199,866.24
  4. Step 4: Simplify right side
    369,632.16x = 101,950,298,008.47
  5. Step 5: Solve for x
    x = 101,950,298,008.47/369,632.16
  6. Step 6: Final answer
    x = 275,815.55

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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.