Home / 369,976.35-510,567.81-200,210.47

Finding the Fourth Proportional to 369,976.35, 510,567.81 and 200,210.47

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Solution

The fourth proportional to 369,976.35, 510,567.81 and 200,210.47 is: 276,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,976.35 : 510,567.81 = 200,210.47 : x
  2. Step 2: Convert to fraction form
    369,976.35/510,567.81 = 200,210.47/x
  3. Step 3: Cross multiply
    369,976.35x = 510,567.81 × 200,210.47
  4. Step 4: Simplify right side
    369,976.35x = 102,221,021,206.97
  5. Step 5: Solve for x
    x = 102,221,021,206.97/369,976.35
  6. Step 6: Final answer
    x = 276,290.69

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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.