Home / 307,564.24-424,437.96-173,427.28

Finding the Fourth Proportional to 307,564.24, 424,437.96 and 173,427.28

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Solution

The fourth proportional to 307,564.24, 424,437.96 and 173,427.28 is: 239,329.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,564.24 : 424,437.96 = 173,427.28 : x
  2. Step 2: Convert to fraction form
    307,564.24/424,437.96 = 173,427.28/x
  3. Step 3: Cross multiply
    307,564.24x = 424,437.96 × 173,427.28
  4. Step 4: Simplify right side
    307,564.24x = 73,609,120,931.55
  5. Step 5: Solve for x
    x = 73,609,120,931.55/307,564.24
  6. Step 6: Final answer
    x = 239,329.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.