Home / 369,982.64-510,576.05-200,216.76

Finding the Fourth Proportional to 369,982.64, 510,576.05 and 200,216.76

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Solution

The fourth proportional to 369,982.64, 510,576.05 and 200,216.76 is: 276,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,982.64 : 510,576.05 = 200,216.76 : x
  2. Step 2: Convert to fraction form
    369,982.64/510,576.05 = 200,216.76/x
  3. Step 3: Cross multiply
    369,982.64x = 510,576.05 × 200,216.76
  4. Step 4: Simplify right side
    369,982.64x = 102,225,881,463.51
  5. Step 5: Solve for x
    x = 102,225,881,463.51/369,982.64
  6. Step 6: Final answer
    x = 276,299.13

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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.