Home / 352,304.45-528,457.04-165,316.13

Finding the Fourth Proportional to 352,304.45, 528,457.04 and 165,316.13

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Solution

The fourth proportional to 352,304.45, 528,457.04 and 165,316.13 is: 247,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,304.45 : 528,457.04 = 165,316.13 : x
  2. Step 2: Convert to fraction form
    352,304.45/528,457.04 = 165,316.13/x
  3. Step 3: Cross multiply
    352,304.45x = 528,457.04 × 165,316.13
  4. Step 4: Simplify right side
    352,304.45x = 87,362,471,897.47
  5. Step 5: Solve for x
    x = 87,362,471,897.47/352,304.45
  6. Step 6: Final answer
    x = 247,974.36

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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.