Home / 245,629.60-368,444.40-140,459.20

Finding the Fourth Proportional to 245,629.60, 368,444.40 and 140,459.20

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Solution

The fourth proportional to 245,629.60, 368,444.40 and 140,459.20 is: 210,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,629.60 : 368,444.40 = 140,459.20 : x
  2. Step 2: Convert to fraction form
    245,629.60/368,444.40 = 140,459.20/x
  3. Step 3: Cross multiply
    245,629.60x = 368,444.40 × 140,459.20
  4. Step 4: Simplify right side
    245,629.60x = 51,751,405,668.48
  5. Step 5: Solve for x
    x = 51,751,405,668.48/245,629.60
  6. Step 6: Final answer
    x = 210,688.80

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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.