Home / 340,636.28-470,055.57-204,589.39

Finding the Fourth Proportional to 340,636.28, 470,055.57 and 204,589.39

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Solution

The fourth proportional to 340,636.28, 470,055.57 and 204,589.39 is: 282,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,636.28 : 470,055.57 = 204,589.39 : x
  2. Step 2: Convert to fraction form
    340,636.28/470,055.57 = 204,589.39/x
  3. Step 3: Cross multiply
    340,636.28x = 470,055.57 × 204,589.39
  4. Step 4: Simplify right side
    340,636.28x = 96,168,379,982.12
  5. Step 5: Solve for x
    x = 96,168,379,982.12/340,636.28
  6. Step 6: Final answer
    x = 282,319.84

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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.