Home / 260,114.03-390,197.03-70,577.40

Finding the Fourth Proportional to 260,114.03, 390,197.03 and 70,577.40

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Solution

The fourth proportional to 260,114.03, 390,197.03 and 70,577.40 is: 105,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,114.03 : 390,197.03 = 70,577.40 : x
  2. Step 2: Convert to fraction form
    260,114.03/390,197.03 = 70,577.40/x
  3. Step 3: Cross multiply
    260,114.03x = 390,197.03 × 70,577.40
  4. Step 4: Simplify right side
    260,114.03x = 27,539,091,512.24
  5. Step 5: Solve for x
    x = 27,539,091,512.24/260,114.03
  6. Step 6: Final answer
    x = 105,873.15

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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.