Finding the Fourth Proportional to 110,394.36, 152,390.16 and 83,544.48
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Solution
The fourth proportional to 110,394.36, 152,390.16 and 83,544.48 is: 115,326.15
Step by Step Solution
- Step 1: Write the proportion equation
110,394.36 : 152,390.16 = 83,544.48 : x - Step 2: Convert to fraction form
110,394.36/152,390.16 = 83,544.48/x - Step 3: Cross multiply
110,394.36x = 152,390.16 × 83,544.48 - Step 4: Simplify right side
110,394.36x = 12,731,356,674.32 - Step 5: Solve for x
x = 12,731,356,674.32/110,394.36 - Step 6: Final answer
x = 115,326.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.