Home / 217,564.26-326,331.81-59,779.50

Finding the Fourth Proportional to 217,564.26, 326,331.81 and 59,779.50

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Solution

The fourth proportional to 217,564.26, 326,331.81 and 59,779.50 is: 89,665.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,564.26 : 326,331.81 = 59,779.50 : x
  2. Step 2: Convert to fraction form
    217,564.26/326,331.81 = 59,779.50/x
  3. Step 3: Cross multiply
    217,564.26x = 326,331.81 × 59,779.50
  4. Step 4: Simplify right side
    217,564.26x = 19,507,952,435.90
  5. Step 5: Solve for x
    x = 19,507,952,435.90/217,564.26
  6. Step 6: Final answer
    x = 89,665.24

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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.