Home / 209,389.23-314,085.51-59,629.32

Finding the Fourth Proportional to 209,389.23, 314,085.51 and 59,629.32

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Solution

The fourth proportional to 209,389.23, 314,085.51 and 59,629.32 is: 89,444.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,389.23 : 314,085.51 = 59,629.32 : x
  2. Step 2: Convert to fraction form
    209,389.23/314,085.51 = 59,629.32/x
  3. Step 3: Cross multiply
    209,389.23x = 314,085.51 × 59,629.32
  4. Step 4: Simplify right side
    209,389.23x = 18,728,705,383.15
  5. Step 5: Solve for x
    x = 18,728,705,383.15/209,389.23
  6. Step 6: Final answer
    x = 89,444.45

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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.