Finding the Fourth Proportional to 438,525.19, 657,787.81 and 106,101.19
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Solution
The fourth proportional to 438,525.19, 657,787.81 and 106,101.19 is: 159,151.79
Step by Step Solution
- Step 1: Write the proportion equation
438,525.19 : 657,787.81 = 106,101.19 : x - Step 2: Convert to fraction form
438,525.19/657,787.81 = 106,101.19/x - Step 3: Cross multiply
438,525.19x = 657,787.81 × 106,101.19 - Step 4: Simplify right side
438,525.19x = 69,792,067,498.77 - Step 5: Solve for x
x = 69,792,067,498.77/438,525.19 - Step 6: Final answer
x = 159,151.79
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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.