Home / 340,148.07-469,247.27-219,328.16

Finding the Fourth Proportional to 340,148.07, 469,247.27 and 219,328.16

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Solution

The fourth proportional to 340,148.07, 469,247.27 and 219,328.16 is: 302,571.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,148.07 : 469,247.27 = 219,328.16 : x
  2. Step 2: Convert to fraction form
    340,148.07/469,247.27 = 219,328.16/x
  3. Step 3: Cross multiply
    340,148.07x = 469,247.27 × 219,328.16
  4. Step 4: Simplify right side
    340,148.07x = 102,919,142,035.56
  5. Step 5: Solve for x
    x = 102,919,142,035.56/340,148.07
  6. Step 6: Final answer
    x = 302,571.59

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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.