Home / 340,129.36-470,025.86-255,098.80

Finding the Fourth Proportional to 340,129.36, 470,025.86 and 255,098.80

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Solution

The fourth proportional to 340,129.36, 470,025.86 and 255,098.80 is: 352,521.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,129.36 : 470,025.86 = 255,098.80 : x
  2. Step 2: Convert to fraction form
    340,129.36/470,025.86 = 255,098.80/x
  3. Step 3: Cross multiply
    340,129.36x = 470,025.86 × 255,098.80
  4. Step 4: Simplify right side
    340,129.36x = 119,903,032,854.97
  5. Step 5: Solve for x
    x = 119,903,032,854.97/340,129.36
  6. Step 6: Final answer
    x = 352,521.85

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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.