Home / 215,475.93-297,356.60-118,680.46

Finding the Fourth Proportional to 215,475.93, 297,356.60 and 118,680.46

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Solution

The fourth proportional to 215,475.93, 297,356.60 and 118,680.46 is: 163,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,475.93 : 297,356.60 = 118,680.46 : x
  2. Step 2: Convert to fraction form
    215,475.93/297,356.60 = 118,680.46/x
  3. Step 3: Cross multiply
    215,475.93x = 297,356.60 × 118,680.46
  4. Step 4: Simplify right side
    215,475.93x = 35,290,417,625.35
  5. Step 5: Solve for x
    x = 35,290,417,625.35/215,475.93
  6. Step 6: Final answer
    x = 163,778.93

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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.