Finding the Fourth Proportional to 147,360.62, 203,382.12 and 86,946.08
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Solution
The fourth proportional to 147,360.62, 203,382.12 and 86,946.08 is: 120,000.02
Step by Step Solution
- Step 1: Write the proportion equation
147,360.62 : 203,382.12 = 86,946.08 : x - Step 2: Convert to fraction form
147,360.62/203,382.12 = 86,946.08/x - Step 3: Cross multiply
147,360.62x = 203,382.12 × 86,946.08 - Step 4: Simplify right side
147,360.62x = 17,683,278,076.09 - Step 5: Solve for x
x = 17,683,278,076.09/147,360.62 - Step 6: Final answer
x = 120,000.02
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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.