Home / 399,828.24-599,446.08-242,019.36

Finding the Fourth Proportional to 399,828.24, 599,446.08 and 242,019.36

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Solution

The fourth proportional to 399,828.24, 599,446.08 and 242,019.36 is: 362,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,828.24 : 599,446.08 = 242,019.36 : x
  2. Step 2: Convert to fraction form
    399,828.24/599,446.08 = 242,019.36/x
  3. Step 3: Cross multiply
    399,828.24x = 599,446.08 × 242,019.36
  4. Step 4: Simplify right side
    399,828.24x = 145,077,556,636.11
  5. Step 5: Solve for x
    x = 145,077,556,636.11/399,828.24
  6. Step 6: Final answer
    x = 362,849.70

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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.