Home / 260,437.53-390,671.58-100,514.34

Finding the Fourth Proportional to 260,437.53, 390,671.58 and 100,514.34

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Solution

The fourth proportional to 260,437.53, 390,671.58 and 100,514.34 is: 150,777.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,437.53 : 390,671.58 = 100,514.34 : x
  2. Step 2: Convert to fraction form
    260,437.53/390,671.58 = 100,514.34/x
  3. Step 3: Cross multiply
    260,437.53x = 390,671.58 × 100,514.34
  4. Step 4: Simplify right side
    260,437.53x = 39,268,096,020.46
  5. Step 5: Solve for x
    x = 39,268,096,020.46/260,437.53
  6. Step 6: Final answer
    x = 150,777.41

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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.