Home / 369,162.45-509,454.77-208,008.63

Finding the Fourth Proportional to 369,162.45, 509,454.77 and 208,008.63

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Solution

The fourth proportional to 369,162.45, 509,454.77 and 208,008.63 is: 287,057.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,162.45 : 509,454.77 = 208,008.63 : x
  2. Step 2: Convert to fraction form
    369,162.45/509,454.77 = 208,008.63/x
  3. Step 3: Cross multiply
    369,162.45x = 509,454.77 × 208,008.63
  4. Step 4: Simplify right side
    369,162.45x = 105,970,987,714.62
  5. Step 5: Solve for x
    x = 105,970,987,714.62/369,162.45
  6. Step 6: Final answer
    x = 287,057.87

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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.