Home / 314,895.24-434,539.08-178,910.28

Finding the Fourth Proportional to 314,895.24, 434,539.08 and 178,910.28

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Solution

The fourth proportional to 314,895.24, 434,539.08 and 178,910.28 is: 246,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,895.24 : 434,539.08 = 178,910.28 : x
  2. Step 2: Convert to fraction form
    314,895.24/434,539.08 = 178,910.28/x
  3. Step 3: Cross multiply
    314,895.24x = 434,539.08 × 178,910.28
  4. Step 4: Simplify right side
    314,895.24x = 77,743,508,473.74
  5. Step 5: Solve for x
    x = 77,743,508,473.74/314,895.24
  6. Step 6: Final answer
    x = 246,886.90

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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.