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Finding the Fourth Proportional to 288,881.82, 433,473.86 and 118,230.22

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Solution

The fourth proportional to 288,881.82, 433,473.86 and 118,230.22 is: 177,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,881.82 : 433,473.86 = 118,230.22 : x
  2. Step 2: Convert to fraction form
    288,881.82/433,473.86 = 118,230.22/x
  3. Step 3: Cross multiply
    288,881.82x = 433,473.86 × 118,230.22
  4. Step 4: Simplify right side
    288,881.82x = 51,249,709,832.05
  5. Step 5: Solve for x
    x = 51,249,709,832.05/288,881.82
  6. Step 6: Final answer
    x = 177,407.18

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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.