Finding the Fourth Proportional to 154,507.08, 213,316.11 and 118,625.70
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Solution
The fourth proportional to 154,507.08, 213,316.11 and 118,625.70 is: 163,777.43
Step by Step Solution
- Step 1: Write the proportion equation
154,507.08 : 213,316.11 = 118,625.70 : x - Step 2: Convert to fraction form
154,507.08/213,316.11 = 118,625.70/x - Step 3: Cross multiply
154,507.08x = 213,316.11 × 118,625.70 - Step 4: Simplify right side
154,507.08x = 25,304,772,870.03 - Step 5: Solve for x
x = 25,304,772,870.03/154,507.08 - Step 6: Final answer
x = 163,777.43
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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.