Home / 330,035.76-455,457.60-179,132.40

Finding the Fourth Proportional to 330,035.76, 455,457.60 and 179,132.40

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Solution

The fourth proportional to 330,035.76, 455,457.60 and 179,132.40 is: 247,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,035.76 : 455,457.60 = 179,132.40 : x
  2. Step 2: Convert to fraction form
    330,035.76/455,457.60 = 179,132.40/x
  3. Step 3: Cross multiply
    330,035.76x = 455,457.60 × 179,132.40
  4. Step 4: Simplify right side
    330,035.76x = 81,587,212,986.24
  5. Step 5: Solve for x
    x = 81,587,212,986.24/330,035.76
  6. Step 6: Final answer
    x = 247,207.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.