Home / 260,511.15-390,809.93-110,823.15

Finding the Fourth Proportional to 260,511.15, 390,809.93 and 110,823.15

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Solution

The fourth proportional to 260,511.15, 390,809.93 and 110,823.15 is: 166,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,511.15 : 390,809.93 = 110,823.15 : x
  2. Step 2: Convert to fraction form
    260,511.15/390,809.93 = 110,823.15/x
  3. Step 3: Cross multiply
    260,511.15x = 390,809.93 × 110,823.15
  4. Step 4: Simplify right side
    260,511.15x = 43,310,786,939.76
  5. Step 5: Solve for x
    x = 43,310,786,939.76/260,511.15
  6. Step 6: Final answer
    x = 166,253.10

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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.