Home / 292,839.40-439,280.70-105,826.60

Finding the Fourth Proportional to 292,839.40, 439,280.70 and 105,826.60

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Solution

The fourth proportional to 292,839.40, 439,280.70 and 105,826.60 is: 158,747.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,839.40 : 439,280.70 = 105,826.60 : x
  2. Step 2: Convert to fraction form
    292,839.40/439,280.70 = 105,826.60/x
  3. Step 3: Cross multiply
    292,839.40x = 439,280.70 × 105,826.60
  4. Step 4: Simplify right side
    292,839.40x = 46,487,582,926.62
  5. Step 5: Solve for x
    x = 46,487,582,926.62/292,839.40
  6. Step 6: Final answer
    x = 158,747.71

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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.