Home / 260,015.35-390,023.03-242,519.35

Finding the Fourth Proportional to 260,015.35, 390,023.03 and 242,519.35

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Solution

The fourth proportional to 260,015.35, 390,023.03 and 242,519.35 is: 363,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,015.35 : 390,023.03 = 242,519.35 : x
  2. Step 2: Convert to fraction form
    260,015.35/390,023.03 = 242,519.35/x
  3. Step 3: Cross multiply
    260,015.35x = 390,023.03 × 242,519.35
  4. Step 4: Simplify right side
    260,015.35x = 94,588,130,508.03
  5. Step 5: Solve for x
    x = 94,588,130,508.03/260,015.35
  6. Step 6: Final answer
    x = 363,779.03

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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.