Home / 328,787.12-492,784.08-160,054.56

Finding the Fourth Proportional to 328,787.12, 492,784.08 and 160,054.56

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Solution

The fourth proportional to 328,787.12, 492,784.08 and 160,054.56 is: 239,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,787.12 : 492,784.08 = 160,054.56 : x
  2. Step 2: Convert to fraction form
    328,787.12/492,784.08 = 160,054.56/x
  3. Step 3: Cross multiply
    328,787.12x = 492,784.08 × 160,054.56
  4. Step 4: Simplify right side
    328,787.12x = 78,872,339,099.40
  5. Step 5: Solve for x
    x = 78,872,339,099.40/328,787.12
  6. Step 6: Final answer
    x = 239,888.77

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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.