Home / 260,442.36-392,615.61-243,082.31

Finding the Fourth Proportional to 260,442.36, 392,615.61 and 243,082.31

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Solution

The fourth proportional to 260,442.36, 392,615.61 and 243,082.31 is: 366,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,442.36 : 392,615.61 = 243,082.31 : x
  2. Step 2: Convert to fraction form
    260,442.36/392,615.61 = 243,082.31/x
  3. Step 3: Cross multiply
    260,442.36x = 392,615.61 × 243,082.31
  4. Step 4: Simplify right side
    260,442.36x = 95,437,907,457.78
  5. Step 5: Solve for x
    x = 95,437,907,457.78/260,442.36
  6. Step 6: Final answer
    x = 366,445.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.