Home / 340,727.10-470,204.04-204,763.12

Finding the Fourth Proportional to 340,727.10, 470,204.04 and 204,763.12

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Solution

The fourth proportional to 340,727.10, 470,204.04 and 204,763.12 is: 282,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,727.10 : 470,204.04 = 204,763.12 : x
  2. Step 2: Convert to fraction form
    340,727.10/470,204.04 = 204,763.12/x
  3. Step 3: Cross multiply
    340,727.10x = 470,204.04 × 204,763.12
  4. Step 4: Simplify right side
    340,727.10x = 96,280,446,267.00
  5. Step 5: Solve for x
    x = 96,280,446,267.00/340,727.10
  6. Step 6: Final answer
    x = 282,573.49

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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.