Home / 361,975.20-542,962.80-303,363.60

Finding the Fourth Proportional to 361,975.20, 542,962.80 and 303,363.60

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Solution

The fourth proportional to 361,975.20, 542,962.80 and 303,363.60 is: 455,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,975.20 : 542,962.80 = 303,363.60 : x
  2. Step 2: Convert to fraction form
    361,975.20/542,962.80 = 303,363.60/x
  3. Step 3: Cross multiply
    361,975.20x = 542,962.80 × 303,363.60
  4. Step 4: Simplify right side
    361,975.20x = 164,715,149,674.08
  5. Step 5: Solve for x
    x = 164,715,149,674.08/361,975.20
  6. Step 6: Final answer
    x = 455,045.40

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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.