Home / 345,429.48-517,187.52-176,586.36

Finding the Fourth Proportional to 345,429.48, 517,187.52 and 176,586.36

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Solution

The fourth proportional to 345,429.48, 517,187.52 and 176,586.36 is: 264,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,429.48 : 517,187.52 = 176,586.36 : x
  2. Step 2: Convert to fraction form
    345,429.48/517,187.52 = 176,586.36/x
  3. Step 3: Cross multiply
    345,429.48x = 517,187.52 × 176,586.36
  4. Step 4: Simplify right side
    345,429.48x = 91,328,261,594.23
  5. Step 5: Solve for x
    x = 91,328,261,594.23/345,429.48
  6. Step 6: Final answer
    x = 264,390.47

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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.