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Finding the Fourth Proportional to 369,372.83, 509,733.41 and 199,606.95

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Solution

The fourth proportional to 369,372.83, 509,733.41 and 199,606.95 is: 275,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,372.83 : 509,733.41 = 199,606.95 : x
  2. Step 2: Convert to fraction form
    369,372.83/509,733.41 = 199,606.95/x
  3. Step 3: Cross multiply
    369,372.83x = 509,733.41 × 199,606.95
  4. Step 4: Simplify right side
    369,372.83x = 101,746,330,285.17
  5. Step 5: Solve for x
    x = 101,746,330,285.17/369,372.83
  6. Step 6: Final answer
    x = 275,457.00

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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.