Home / 260,821.28-390,967.23-148,268.93

Finding the Fourth Proportional to 260,821.28, 390,967.23 and 148,268.93

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Solution

The fourth proportional to 260,821.28, 390,967.23 and 148,268.93 is: 222,252.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,821.28 : 390,967.23 = 148,268.93 : x
  2. Step 2: Convert to fraction form
    260,821.28/390,967.23 = 148,268.93/x
  3. Step 3: Cross multiply
    260,821.28x = 390,967.23 × 148,268.93
  4. Step 4: Simplify right side
    260,821.28x = 57,968,291,662.11
  5. Step 5: Solve for x
    x = 57,968,291,662.11/260,821.28
  6. Step 6: Final answer
    x = 222,252.92

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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.