Home / 194,821.65-291,740.40-155,455.65

Finding the Fourth Proportional to 194,821.65, 291,740.40 and 155,455.65

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Solution

The fourth proportional to 194,821.65, 291,740.40 and 155,455.65 is: 232,790.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,821.65 : 291,740.40 = 155,455.65 : x
  2. Step 2: Convert to fraction form
    194,821.65/291,740.40 = 155,455.65/x
  3. Step 3: Cross multiply
    194,821.65x = 291,740.40 × 155,455.65
  4. Step 4: Simplify right side
    194,821.65x = 45,352,693,513.26
  5. Step 5: Solve for x
    x = 45,352,693,513.26/194,821.65
  6. Step 6: Final answer
    x = 232,790.83

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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.