Home / 215,290.58-297,103.69-118,505.62

Finding the Fourth Proportional to 215,290.58, 297,103.69 and 118,505.62

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Solution

The fourth proportional to 215,290.58, 297,103.69 and 118,505.62 is: 163,539.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,290.58 : 297,103.69 = 118,505.62 : x
  2. Step 2: Convert to fraction form
    215,290.58/297,103.69 = 118,505.62/x
  3. Step 3: Cross multiply
    215,290.58x = 297,103.69 × 118,505.62
  4. Step 4: Simplify right side
    215,290.58x = 35,208,456,987.74
  5. Step 5: Solve for x
    x = 35,208,456,987.74/215,290.58
  6. Step 6: Final answer
    x = 163,539.24

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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.