Home / 211,749.60-317,344.02-155,325.54

Finding the Fourth Proportional to 211,749.60, 317,344.02 and 155,325.54

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Solution

The fourth proportional to 211,749.60, 317,344.02 and 155,325.54 is: 232,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,749.60 : 317,344.02 = 155,325.54 : x
  2. Step 2: Convert to fraction form
    211,749.60/317,344.02 = 155,325.54/x
  3. Step 3: Cross multiply
    211,749.60x = 317,344.02 × 155,325.54
  4. Step 4: Simplify right side
    211,749.60x = 49,291,631,272.27
  5. Step 5: Solve for x
    x = 49,291,631,272.27/211,749.60
  6. Step 6: Final answer
    x = 232,782.64

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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.