Home / 209,726.37-314,607.71-57,923.51

Finding the Fourth Proportional to 209,726.37, 314,607.71 and 57,923.51

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Solution

The fourth proportional to 209,726.37, 314,607.71 and 57,923.51 is: 86,890.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,726.37 : 314,607.71 = 57,923.51 : x
  2. Step 2: Convert to fraction form
    209,726.37/314,607.71 = 57,923.51/x
  3. Step 3: Cross multiply
    209,726.37x = 314,607.71 × 57,923.51
  4. Step 4: Simplify right side
    209,726.37x = 18,223,182,836.26
  5. Step 5: Solve for x
    x = 18,223,182,836.26/209,726.37
  6. Step 6: Final answer
    x = 86,890.28

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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.