Home / 314,895.03-434,538.72-178,910.10

Finding the Fourth Proportional to 314,895.03, 434,538.72 and 178,910.10

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Solution

The fourth proportional to 314,895.03, 434,538.72 and 178,910.10 is: 246,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,895.03 : 434,538.72 = 178,910.10 : x
  2. Step 2: Convert to fraction form
    314,895.03/434,538.72 = 178,910.10/x
  3. Step 3: Cross multiply
    314,895.03x = 434,538.72 × 178,910.10
  4. Step 4: Simplify right side
    314,895.03x = 77,743,365,849.07
  5. Step 5: Solve for x
    x = 77,743,365,849.07/314,895.03
  6. Step 6: Final answer
    x = 246,886.61

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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.