Home / 474,833.10-655,243.73-259,931.60

Finding the Fourth Proportional to 474,833.10, 655,243.73 and 259,931.60

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Solution

The fourth proportional to 474,833.10, 655,243.73 and 259,931.60 is: 358,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,833.10 : 655,243.73 = 259,931.60 : x
  2. Step 2: Convert to fraction form
    474,833.10/655,243.73 = 259,931.60/x
  3. Step 3: Cross multiply
    474,833.10x = 655,243.73 × 259,931.60
  4. Step 4: Simplify right side
    474,833.10x = 170,318,549,984.90
  5. Step 5: Solve for x
    x = 170,318,549,984.90/474,833.10
  6. Step 6: Final answer
    x = 358,691.40

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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.