Home / 330,745.04-496,117.88-120,384.72

Finding the Fourth Proportional to 330,745.04, 496,117.88 and 120,384.72

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Solution

The fourth proportional to 330,745.04, 496,117.88 and 120,384.72 is: 180,577.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,745.04 : 496,117.88 = 120,384.72 : x
  2. Step 2: Convert to fraction form
    330,745.04/496,117.88 = 120,384.72/x
  3. Step 3: Cross multiply
    330,745.04x = 496,117.88 × 120,384.72
  4. Step 4: Simplify right side
    330,745.04x = 59,725,012,070.79
  5. Step 5: Solve for x
    x = 59,725,012,070.79/330,745.04
  6. Step 6: Final answer
    x = 180,577.20

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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.