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Finding the Fourth Proportional to 340,903.24, 470,479.76 and 254,712.68

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Solution

The fourth proportional to 340,903.24, 470,479.76 and 254,712.68 is: 351,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,903.24 : 470,479.76 = 254,712.68 : x
  2. Step 2: Convert to fraction form
    340,903.24/470,479.76 = 254,712.68/x
  3. Step 3: Cross multiply
    340,903.24x = 470,479.76 × 254,712.68
  4. Step 4: Simplify right side
    340,903.24x = 119,837,160,555.36
  5. Step 5: Solve for x
    x = 119,837,160,555.36/340,903.24
  6. Step 6: Final answer
    x = 351,528.37

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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.