Home / 436,147.20-601,946.88-245,176.32

Finding the Fourth Proportional to 436,147.20, 601,946.88 and 245,176.32

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Solution

The fourth proportional to 436,147.20, 601,946.88 and 245,176.32 is: 338,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,147.20 : 601,946.88 = 245,176.32 : x
  2. Step 2: Convert to fraction form
    436,147.20/601,946.88 = 245,176.32/x
  3. Step 3: Cross multiply
    436,147.20x = 601,946.88 × 245,176.32
  4. Step 4: Simplify right side
    436,147.20x = 147,583,120,873.88
  5. Step 5: Solve for x
    x = 147,583,120,873.88/436,147.20
  6. Step 6: Final answer
    x = 338,379.15

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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.