Home / 246,289.65-339,898.95-137,428.25

Finding the Fourth Proportional to 246,289.65, 339,898.95 and 137,428.25

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Solution

The fourth proportional to 246,289.65, 339,898.95 and 137,428.25 is: 189,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,289.65 : 339,898.95 = 137,428.25 : x
  2. Step 2: Convert to fraction form
    246,289.65/339,898.95 = 137,428.25/x
  3. Step 3: Cross multiply
    246,289.65x = 339,898.95 × 137,428.25
  4. Step 4: Simplify right side
    246,289.65x = 46,711,716,175.84
  5. Step 5: Solve for x
    x = 46,711,716,175.84/246,289.65
  6. Step 6: Final answer
    x = 189,661.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.