Home / 288,154.21-432,535.67-161,902.35

Finding the Fourth Proportional to 288,154.21, 432,535.67 and 161,902.35

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Solution

The fourth proportional to 288,154.21, 432,535.67 and 161,902.35 is: 243,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,154.21 : 432,535.67 = 161,902.35 : x
  2. Step 2: Convert to fraction form
    288,154.21/432,535.67 = 161,902.35/x
  3. Step 3: Cross multiply
    288,154.21x = 432,535.67 × 161,902.35
  4. Step 4: Simplify right side
    288,154.21x = 70,028,541,431.82
  5. Step 5: Solve for x
    x = 70,028,541,431.82/288,154.21
  6. Step 6: Final answer
    x = 243,024.53

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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.