Home / 260,396.19-390,594.29-247,099.23

Finding the Fourth Proportional to 260,396.19, 390,594.29 and 247,099.23

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Solution

The fourth proportional to 260,396.19, 390,594.29 and 247,099.23 is: 370,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,396.19 : 390,594.29 = 247,099.23 : x
  2. Step 2: Convert to fraction form
    260,396.19/390,594.29 = 247,099.23/x
  3. Step 3: Cross multiply
    260,396.19x = 390,594.29 × 247,099.23
  4. Step 4: Simplify right side
    260,396.19x = 96,515,547,065.90
  5. Step 5: Solve for x
    x = 96,515,547,065.90/260,396.19
  6. Step 6: Final answer
    x = 370,648.85

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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.