Home / 528,136.30-792,437.73-213,208.30

Finding the Fourth Proportional to 528,136.30, 792,437.73 and 213,208.30

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Solution

The fourth proportional to 528,136.30, 792,437.73 and 213,208.30 is: 319,906.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,136.30 : 792,437.73 = 213,208.30 : x
  2. Step 2: Convert to fraction form
    528,136.30/792,437.73 = 213,208.30/x
  3. Step 3: Cross multiply
    528,136.30x = 792,437.73 × 213,208.30
  4. Step 4: Simplify right side
    528,136.30x = 168,954,301,269.16
  5. Step 5: Solve for x
    x = 168,954,301,269.16/528,136.30
  6. Step 6: Final answer
    x = 319,906.62

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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.