Home / 260,325.40-390,548.14-110,570.52

Finding the Fourth Proportional to 260,325.40, 390,548.14 and 110,570.52

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Solution

The fourth proportional to 260,325.40, 390,548.14 and 110,570.52 is: 165,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,325.40 : 390,548.14 = 110,570.52 : x
  2. Step 2: Convert to fraction form
    260,325.40/390,548.14 = 110,570.52/x
  3. Step 3: Cross multiply
    260,325.40x = 390,548.14 × 110,570.52
  4. Step 4: Simplify right side
    260,325.40x = 43,183,110,924.83
  5. Step 5: Solve for x
    x = 43,183,110,924.83/260,325.40
  6. Step 6: Final answer
    x = 165,881.28

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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.