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Finding the Fourth Proportional to 369,576.60, 510,015.65 and 199,810.72

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Solution

The fourth proportional to 369,576.60, 510,015.65 and 199,810.72 is: 275,738.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,576.60 : 510,015.65 = 199,810.72 : x
  2. Step 2: Convert to fraction form
    369,576.60/510,015.65 = 199,810.72/x
  3. Step 3: Cross multiply
    369,576.60x = 510,015.65 × 199,810.72
  4. Step 4: Simplify right side
    369,576.60x = 101,906,594,237.77
  5. Step 5: Solve for x
    x = 101,906,594,237.77/369,576.60
  6. Step 6: Final answer
    x = 275,738.76

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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.