Home / 352,683.40-528,811.92-142,075.36

Finding the Fourth Proportional to 352,683.40, 528,811.92 and 142,075.36

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Solution

The fourth proportional to 352,683.40, 528,811.92 and 142,075.36 is: 213,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,683.40 : 528,811.92 = 142,075.36 : x
  2. Step 2: Convert to fraction form
    352,683.40/528,811.92 = 142,075.36/x
  3. Step 3: Cross multiply
    352,683.40x = 528,811.92 × 142,075.36
  4. Step 4: Simplify right side
    352,683.40x = 75,131,143,906.29
  5. Step 5: Solve for x
    x = 75,131,143,906.29/352,683.40
  6. Step 6: Final answer
    x = 213,027.16

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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.