Home / 298,056.28-447,281.39-140,329.84

Finding the Fourth Proportional to 298,056.28, 447,281.39 and 140,329.84

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Solution

The fourth proportional to 298,056.28, 447,281.39 and 140,329.84 is: 210,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,056.28 : 447,281.39 = 140,329.84 : x
  2. Step 2: Convert to fraction form
    298,056.28/447,281.39 = 140,329.84/x
  3. Step 3: Cross multiply
    298,056.28x = 447,281.39 × 140,329.84
  4. Step 4: Simplify right side
    298,056.28x = 62,766,925,893.68
  5. Step 5: Solve for x
    x = 62,766,925,893.68/298,056.28
  6. Step 6: Final answer
    x = 210,587.50

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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.