Home / 353,371.07-528,719.06-209,354.24

Finding the Fourth Proportional to 353,371.07, 528,719.06 and 209,354.24

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Solution

The fourth proportional to 353,371.07, 528,719.06 and 209,354.24 is: 313,238.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,371.07 : 528,719.06 = 209,354.24 : x
  2. Step 2: Convert to fraction form
    353,371.07/528,719.06 = 209,354.24/x
  3. Step 3: Cross multiply
    353,371.07x = 528,719.06 × 209,354.24
  4. Step 4: Simplify right side
    353,371.07x = 110,689,576,979.81
  5. Step 5: Solve for x
    x = 110,689,576,979.81/353,371.07
  6. Step 6: Final answer
    x = 313,238.93

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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.