Home / 260,373.08-390,055.22-147,712.52

Finding the Fourth Proportional to 260,373.08, 390,055.22 and 147,712.52

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Solution

The fourth proportional to 260,373.08, 390,055.22 and 147,712.52 is: 221,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,373.08 : 390,055.22 = 147,712.52 : x
  2. Step 2: Convert to fraction form
    260,373.08/390,055.22 = 147,712.52/x
  3. Step 3: Cross multiply
    260,373.08x = 390,055.22 × 147,712.52
  4. Step 4: Simplify right side
    260,373.08x = 57,616,039,485.35
  5. Step 5: Solve for x
    x = 57,616,039,485.35/260,373.08
  6. Step 6: Final answer
    x = 221,282.63

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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.