Home / 217,603.24-326,437.74-77,328.52

Finding the Fourth Proportional to 217,603.24, 326,437.74 and 77,328.52

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Solution

The fourth proportional to 217,603.24, 326,437.74 and 77,328.52 is: 116,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,603.24 : 326,437.74 = 77,328.52 : x
  2. Step 2: Convert to fraction form
    217,603.24/326,437.74 = 77,328.52/x
  3. Step 3: Cross multiply
    217,603.24x = 326,437.74 × 77,328.52
  4. Step 4: Simplify right side
    217,603.24x = 25,242,947,306.34
  5. Step 5: Solve for x
    x = 25,242,947,306.34/217,603.24
  6. Step 6: Final answer
    x = 116,004.46

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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.