Home / 260,315.16-390,486.42-73,341.24

Finding the Fourth Proportional to 260,315.16, 390,486.42 and 73,341.24

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Solution

The fourth proportional to 260,315.16, 390,486.42 and 73,341.24 is: 110,015.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,315.16 : 390,486.42 = 73,341.24 : x
  2. Step 2: Convert to fraction form
    260,315.16/390,486.42 = 73,341.24/x
  3. Step 3: Cross multiply
    260,315.16x = 390,486.42 × 73,341.24
  4. Step 4: Simplify right side
    260,315.16x = 28,638,758,245.96
  5. Step 5: Solve for x
    x = 28,638,758,245.96/260,315.16
  6. Step 6: Final answer
    x = 110,015.71

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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.