Home / 456,052.60-684,078.90-140,606.20

Finding the Fourth Proportional to 456,052.60, 684,078.90 and 140,606.20

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Solution

The fourth proportional to 456,052.60, 684,078.90 and 140,606.20 is: 210,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,052.60 : 684,078.90 = 140,606.20 : x
  2. Step 2: Convert to fraction form
    456,052.60/684,078.90 = 140,606.20/x
  3. Step 3: Cross multiply
    456,052.60x = 684,078.90 × 140,606.20
  4. Step 4: Simplify right side
    456,052.60x = 96,185,734,629.18
  5. Step 5: Solve for x
    x = 96,185,734,629.18/456,052.60
  6. Step 6: Final answer
    x = 210,909.30

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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.