Home / 330,358.40-455,877.60-179,455.04

Finding the Fourth Proportional to 330,358.40, 455,877.60 and 179,455.04

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Solution

The fourth proportional to 330,358.40, 455,877.60 and 179,455.04 is: 247,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,358.40 : 455,877.60 = 179,455.04 : x
  2. Step 2: Convert to fraction form
    330,358.40/455,877.60 = 179,455.04/x
  3. Step 3: Cross multiply
    330,358.40x = 455,877.60 × 179,455.04
  4. Step 4: Simplify right side
    330,358.40x = 81,809,532,943.10
  5. Step 5: Solve for x
    x = 81,809,532,943.10/330,358.40
  6. Step 6: Final answer
    x = 247,638.72

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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.