Home / 407,828.34-611,748.54-141,597.36

Finding the Fourth Proportional to 407,828.34, 611,748.54 and 141,597.36

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Solution

The fourth proportional to 407,828.34, 611,748.54 and 141,597.36 is: 212,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,828.34 : 611,748.54 = 141,597.36 : x
  2. Step 2: Convert to fraction form
    407,828.34/611,748.54 = 141,597.36/x
  3. Step 3: Cross multiply
    407,828.34x = 611,748.54 × 141,597.36
  4. Step 4: Simplify right side
    407,828.34x = 86,621,978,247.85
  5. Step 5: Solve for x
    x = 86,621,978,247.85/407,828.34
  6. Step 6: Final answer
    x = 212,398.13

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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.