Finding the Fourth Proportional to 106,918.80, 160,254.18 and 40,316.28
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Solution
The fourth proportional to 106,918.80, 160,254.18 and 40,316.28 is: 60,427.66
Step by Step Solution
- Step 1: Write the proportion equation
106,918.80 : 160,254.18 = 40,316.28 : x - Step 2: Convert to fraction form
106,918.80/160,254.18 = 40,316.28/x - Step 3: Cross multiply
106,918.80x = 160,254.18 × 40,316.28 - Step 4: Simplify right side
106,918.80x = 6,460,852,392.05 - Step 5: Solve for x
x = 6,460,852,392.05/106,918.80 - Step 6: Final answer
x = 60,427.66
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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.