Home / 340,920.12-470,525.27-205,091.35

Finding the Fourth Proportional to 340,920.12, 470,525.27 and 205,091.35

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Solution

The fourth proportional to 340,920.12, 470,525.27 and 205,091.35 is: 283,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,920.12 : 470,525.27 = 205,091.35 : x
  2. Step 2: Convert to fraction form
    340,920.12/470,525.27 = 205,091.35/x
  3. Step 3: Cross multiply
    340,920.12x = 470,525.27 × 205,091.35
  4. Step 4: Simplify right side
    340,920.12x = 96,500,664,228.44
  5. Step 5: Solve for x
    x = 96,500,664,228.44/340,920.12
  6. Step 6: Final answer
    x = 283,059.46

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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.