Home / 314,746.18-434,336.11-178,779.69

Finding the Fourth Proportional to 314,746.18, 434,336.11 and 178,779.69

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Solution

The fourth proportional to 314,746.18, 434,336.11 and 178,779.69 is: 246,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,746.18 : 434,336.11 = 178,779.69 : x
  2. Step 2: Convert to fraction form
    314,746.18/434,336.11 = 178,779.69/x
  3. Step 3: Cross multiply
    314,746.18x = 434,336.11 × 178,779.69
  4. Step 4: Simplify right side
    314,746.18x = 77,650,474,654.66
  5. Step 5: Solve for x
    x = 77,650,474,654.66/314,746.18
  6. Step 6: Final answer
    x = 246,708.24

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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.