Home / 303,628.20-455,442.30-93,276.60

Finding the Fourth Proportional to 303,628.20, 455,442.30 and 93,276.60

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Solution

The fourth proportional to 303,628.20, 455,442.30 and 93,276.60 is: 139,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,628.20 : 455,442.30 = 93,276.60 : x
  2. Step 2: Convert to fraction form
    303,628.20/455,442.30 = 93,276.60/x
  3. Step 3: Cross multiply
    303,628.20x = 455,442.30 × 93,276.60
  4. Step 4: Simplify right side
    303,628.20x = 42,482,109,240.18
  5. Step 5: Solve for x
    x = 42,482,109,240.18/303,628.20
  6. Step 6: Final answer
    x = 139,914.90

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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.