Home / 298,748.27-448,329.31-118,815.23

Finding the Fourth Proportional to 298,748.27, 448,329.31 and 118,815.23

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Solution

The fourth proportional to 298,748.27, 448,329.31 and 118,815.23 is: 178,305.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,748.27 : 448,329.31 = 118,815.23 : x
  2. Step 2: Convert to fraction form
    298,748.27/448,329.31 = 118,815.23/x
  3. Step 3: Cross multiply
    298,748.27x = 448,329.31 × 118,815.23
  4. Step 4: Simplify right side
    298,748.27x = 53,268,347,544.71
  5. Step 5: Solve for x
    x = 53,268,347,544.71/298,748.27
  6. Step 6: Final answer
    x = 178,305.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.