Home / 307,565.20-461,347.80-188,851.60

Finding the Fourth Proportional to 307,565.20, 461,347.80 and 188,851.60

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Solution

The fourth proportional to 307,565.20, 461,347.80 and 188,851.60 is: 283,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,565.20 : 461,347.80 = 188,851.60 : x
  2. Step 2: Convert to fraction form
    307,565.20/461,347.80 = 188,851.60/x
  3. Step 3: Cross multiply
    307,565.20x = 461,347.80 × 188,851.60
  4. Step 4: Simplify right side
    307,565.20x = 87,126,270,186.48
  5. Step 5: Solve for x
    x = 87,126,270,186.48/307,565.20
  6. Step 6: Final answer
    x = 283,277.40

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1.5x scale

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.