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Finding the Fourth Proportional to 297,155.19, 445,727.93 and 119,657.73

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Solution

The fourth proportional to 297,155.19, 445,727.93 and 119,657.73 is: 179,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,155.19 : 445,727.93 = 119,657.73 : x
  2. Step 2: Convert to fraction form
    297,155.19/445,727.93 = 119,657.73/x
  3. Step 3: Cross multiply
    297,155.19x = 445,727.93 × 119,657.73
  4. Step 4: Simplify right side
    297,155.19x = 53,334,791,703.11
  5. Step 5: Solve for x
    x = 53,334,791,703.11/297,155.19
  6. Step 6: Final answer
    x = 179,484.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.