Home / 211,913.48-318,004.14-118,480.52

Finding the Fourth Proportional to 211,913.48, 318,004.14 and 118,480.52

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Solution

The fourth proportional to 211,913.48, 318,004.14 and 118,480.52 is: 177,795.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,913.48 : 318,004.14 = 118,480.52 : x
  2. Step 2: Convert to fraction form
    211,913.48/318,004.14 = 118,480.52/x
  3. Step 3: Cross multiply
    211,913.48x = 318,004.14 × 118,480.52
  4. Step 4: Simplify right side
    211,913.48x = 37,677,295,869.35
  5. Step 5: Solve for x
    x = 37,677,295,869.35/211,913.48
  6. Step 6: Final answer
    x = 177,795.65

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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.