Home / 260,056.20-390,084.30-185,017.80

Finding the Fourth Proportional to 260,056.20, 390,084.30 and 185,017.80

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Solution

The fourth proportional to 260,056.20, 390,084.30 and 185,017.80 is: 277,526.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,056.20 : 390,084.30 = 185,017.80 : x
  2. Step 2: Convert to fraction form
    260,056.20/390,084.30 = 185,017.80/x
  3. Step 3: Cross multiply
    260,056.20x = 390,084.30 × 185,017.80
  4. Step 4: Simplify right side
    260,056.20x = 72,172,539,000.54
  5. Step 5: Solve for x
    x = 72,172,539,000.54/260,056.20
  6. Step 6: Final answer
    x = 277,526.70

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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.