Home / 314,636.13-434,187.03-178,667.61

Finding the Fourth Proportional to 314,636.13, 434,187.03 and 178,667.61

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Solution

The fourth proportional to 314,636.13, 434,187.03 and 178,667.61 is: 246,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,636.13 : 434,187.03 = 178,667.61 : x
  2. Step 2: Convert to fraction form
    314,636.13/434,187.03 = 178,667.61/x
  3. Step 3: Cross multiply
    314,636.13x = 434,187.03 × 178,667.61
  4. Step 4: Simplify right side
    314,636.13x = 77,575,158,943.10
  5. Step 5: Solve for x
    x = 77,575,158,943.10/314,636.13
  6. Step 6: Final answer
    x = 246,555.15

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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.