Home / 369,976.42-510,567.91-200,210.54

Finding the Fourth Proportional to 369,976.42, 510,567.91 and 200,210.54

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Solution

The fourth proportional to 369,976.42, 510,567.91 and 200,210.54 is: 276,290.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,976.42 : 510,567.91 = 200,210.54 : x
  2. Step 2: Convert to fraction form
    369,976.42/510,567.91 = 200,210.54/x
  3. Step 3: Cross multiply
    369,976.42x = 510,567.91 × 200,210.54
  4. Step 4: Simplify right side
    369,976.42x = 102,221,077,743.67
  5. Step 5: Solve for x
    x = 102,221,077,743.67/369,976.42
  6. Step 6: Final answer
    x = 276,290.79

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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.