Home / 340,208.28-510,323.48-100,302.07

Finding the Fourth Proportional to 340,208.28, 510,323.48 and 100,302.07

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Solution

The fourth proportional to 340,208.28, 510,323.48 and 100,302.07 is: 150,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,208.28 : 510,323.48 = 100,302.07 : x
  2. Step 2: Convert to fraction form
    340,208.28/510,323.48 = 100,302.07/x
  3. Step 3: Cross multiply
    340,208.28x = 510,323.48 × 100,302.07
  4. Step 4: Simplify right side
    340,208.28x = 51,186,499,619.79
  5. Step 5: Solve for x
    x = 51,186,499,619.79/340,208.28
  6. Step 6: Final answer
    x = 150,456.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.