Home / 343,789.65-474,379.13-190,828.98

Finding the Fourth Proportional to 343,789.65, 474,379.13 and 190,828.98

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Solution

The fourth proportional to 343,789.65, 474,379.13 and 190,828.98 is: 263,315.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,789.65 : 474,379.13 = 190,828.98 : x
  2. Step 2: Convert to fraction form
    343,789.65/474,379.13 = 190,828.98/x
  3. Step 3: Cross multiply
    343,789.65x = 474,379.13 × 190,828.98
  4. Step 4: Simplify right side
    343,789.65x = 90,525,285,988.26
  5. Step 5: Solve for x
    x = 90,525,285,988.26/343,789.65
  6. Step 6: Final answer
    x = 263,315.91

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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.