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Finding the Fourth Proportional to 369,988.56, 510,585.82 and 200,222.70

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Solution

The fourth proportional to 369,988.56, 510,585.82 and 200,222.70 is: 276,308.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,988.56 : 510,585.82 = 200,222.70 : x
  2. Step 2: Convert to fraction form
    369,988.56/510,585.82 = 200,222.70/x
  3. Step 3: Cross multiply
    369,988.56x = 510,585.82 × 200,222.70
  4. Step 4: Simplify right side
    369,988.56x = 102,230,871,462.11
  5. Step 5: Solve for x
    x = 102,230,871,462.11/369,988.56
  6. Step 6: Final answer
    x = 276,308.20

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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.