Home / 340,120.35-470,013.44-255,089.79

Finding the Fourth Proportional to 340,120.35, 470,013.44 and 255,089.79

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Solution

The fourth proportional to 340,120.35, 470,013.44 and 255,089.79 is: 352,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,120.35 : 470,013.44 = 255,089.79 : x
  2. Step 2: Convert to fraction form
    340,120.35/470,013.44 = 255,089.79/x
  3. Step 3: Cross multiply
    340,120.35x = 470,013.44 × 255,089.79
  4. Step 4: Simplify right side
    340,120.35x = 119,895,628,431.33
  5. Step 5: Solve for x
    x = 119,895,628,431.33/340,120.35
  6. Step 6: Final answer
    x = 352,509.42

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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.