Home / 369,904.40-510,468.03-200,138.54

Finding the Fourth Proportional to 369,904.40, 510,468.03 and 200,138.54

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Solution

The fourth proportional to 369,904.40, 510,468.03 and 200,138.54 is: 276,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,904.40 : 510,468.03 = 200,138.54 : x
  2. Step 2: Convert to fraction form
    369,904.40/510,468.03 = 200,138.54/x
  3. Step 3: Cross multiply
    369,904.40x = 510,468.03 × 200,138.54
  4. Step 4: Simplify right side
    369,904.40x = 102,164,326,240.88
  5. Step 5: Solve for x
    x = 102,164,326,240.88/369,904.40
  6. Step 6: Final answer
    x = 276,191.16

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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.