Home / 328,552.08-492,828.10-128,966.46

Finding the Fourth Proportional to 328,552.08, 492,828.10 and 128,966.46

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Solution

The fourth proportional to 328,552.08, 492,828.10 and 128,966.46 is: 193,449.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,552.08 : 492,828.10 = 128,966.46 : x
  2. Step 2: Convert to fraction form
    328,552.08/492,828.10 = 128,966.46/x
  3. Step 3: Cross multiply
    328,552.08x = 492,828.10 × 128,966.46
  4. Step 4: Simplify right side
    328,552.08x = 63,558,295,445.53
  5. Step 5: Solve for x
    x = 63,558,295,445.53/328,552.08
  6. Step 6: Final answer
    x = 193,449.68

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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.