Home / 260,001.15-390,056.40-147,589.35

Finding the Fourth Proportional to 260,001.15, 390,056.40 and 147,589.35

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Solution

The fourth proportional to 260,001.15, 390,056.40 and 147,589.35 is: 221,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,001.15 : 390,056.40 = 147,589.35 : x
  2. Step 2: Convert to fraction form
    260,001.15/390,056.40 = 147,589.35/x
  3. Step 3: Cross multiply
    260,001.15x = 390,056.40 × 147,589.35
  4. Step 4: Simplify right side
    260,001.15x = 57,568,170,539.34
  5. Step 5: Solve for x
    x = 57,568,170,539.34/260,001.15
  6. Step 6: Final answer
    x = 221,415.06

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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.