Finding the Fourth Proportional to 147,340.22, 203,353.88 and 86,925.62
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Solution
The fourth proportional to 147,340.22, 203,353.88 and 86,925.62 is: 119,971.74
Step by Step Solution
- Step 1: Write the proportion equation
147,340.22 : 203,353.88 = 86,925.62 : x - Step 2: Convert to fraction form
147,340.22/203,353.88 = 86,925.62/x - Step 3: Cross multiply
147,340.22x = 203,353.88 × 86,925.62 - Step 4: Simplify right side
147,340.22x = 17,676,662,172.16 - Step 5: Solve for x
x = 17,676,662,172.16/147,340.22 - Step 6: Final answer
x = 119,971.74
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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.