Home / 314,835.86-434,485.18-178,892.85

Finding the Fourth Proportional to 314,835.86, 434,485.18 and 178,892.85

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Solution

The fourth proportional to 314,835.86, 434,485.18 and 178,892.85 is: 246,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,835.86 : 434,485.18 = 178,892.85 : x
  2. Step 2: Convert to fraction form
    314,835.86/434,485.18 = 178,892.85/x
  3. Step 3: Cross multiply
    314,835.86x = 434,485.18 × 178,892.85
  4. Step 4: Simplify right side
    314,835.86x = 77,726,293,985.90
  5. Step 5: Solve for x
    x = 77,726,293,985.90/314,835.86
  6. Step 6: Final answer
    x = 246,878.78

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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.