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Finding the Fourth Proportional to 369,652.55, 510,120.54 and 199,886.67

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Solution

The fourth proportional to 369,652.55, 510,120.54 and 199,886.67 is: 275,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,652.55 : 510,120.54 = 199,886.67 : x
  2. Step 2: Convert to fraction form
    369,652.55/510,120.54 = 199,886.67/x
  3. Step 3: Cross multiply
    369,652.55x = 510,120.54 × 199,886.67
  4. Step 4: Simplify right side
    369,652.55x = 101,966,296,039.20
  5. Step 5: Solve for x
    x = 101,966,296,039.20/369,652.55
  6. Step 6: Final answer
    x = 275,843.62

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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.