Home / 293,631.40-439,280.70-254,621.80

Finding the Fourth Proportional to 293,631.40, 439,280.70 and 254,621.80

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Solution

The fourth proportional to 293,631.40, 439,280.70 and 254,621.80 is: 380,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,631.40 : 439,280.70 = 254,621.80 : x
  2. Step 2: Convert to fraction form
    293,631.40/439,280.70 = 254,621.80/x
  3. Step 3: Cross multiply
    293,631.40x = 439,280.70 × 254,621.80
  4. Step 4: Simplify right side
    293,631.40x = 111,850,442,539.26
  5. Step 5: Solve for x
    x = 111,850,442,539.26/293,631.40
  6. Step 6: Final answer
    x = 380,921.26

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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.