Home / 230,052.30-317,398.33-139,379.28

Finding the Fourth Proportional to 230,052.30, 317,398.33 and 139,379.28

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Solution

The fourth proportional to 230,052.30, 317,398.33 and 139,379.28 is: 192,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,052.30 : 317,398.33 = 139,379.28 : x
  2. Step 2: Convert to fraction form
    230,052.30/317,398.33 = 139,379.28/x
  3. Step 3: Cross multiply
    230,052.30x = 317,398.33 × 139,379.28
  4. Step 4: Simplify right side
    230,052.30x = 44,238,748,424.71
  5. Step 5: Solve for x
    x = 44,238,748,424.71/230,052.30
  6. Step 6: Final answer
    x = 192,298.66

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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.