Home / 416,675.20-624,828.48-121,210.24

Finding the Fourth Proportional to 416,675.20, 624,828.48 and 121,210.24

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Solution

The fourth proportional to 416,675.20, 624,828.48 and 121,210.24 is: 181,761.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,675.20 : 624,828.48 = 121,210.24 : x
  2. Step 2: Convert to fraction form
    416,675.20/624,828.48 = 121,210.24/x
  3. Step 3: Cross multiply
    416,675.20x = 624,828.48 × 121,210.24
  4. Step 4: Simplify right side
    416,675.20x = 75,735,610,019.64
  5. Step 5: Solve for x
    x = 75,735,610,019.64/416,675.20
  6. Step 6: Final answer
    x = 181,761.74

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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.