Finding the Fourth Proportional to 155,119.40, 232,679.10 and 101,975.30
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Solution
The fourth proportional to 155,119.40, 232,679.10 and 101,975.30 is: 152,962.95
Step by Step Solution
- Step 1: Write the proportion equation
155,119.40 : 232,679.10 = 101,975.30 : x - Step 2: Convert to fraction form
155,119.40/232,679.10 = 101,975.30/x - Step 3: Cross multiply
155,119.40x = 232,679.10 × 101,975.30 - Step 4: Simplify right side
155,119.40x = 23,727,521,026.23 - Step 5: Solve for x
x = 23,727,521,026.23/155,119.40 - Step 6: Final answer
x = 152,962.95
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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.