Finding the Fourth Proportional to 118,394.25, 178,390.62 and 97,795.74
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Solution
The fourth proportional to 118,394.25, 178,390.62 and 97,795.74 is: 147,353.80
Step by Step Solution
- Step 1: Write the proportion equation
118,394.25 : 178,390.62 = 97,795.74 : x - Step 2: Convert to fraction form
118,394.25/178,390.62 = 97,795.74/x - Step 3: Cross multiply
118,394.25x = 178,390.62 × 97,795.74 - Step 4: Simplify right side
118,394.25x = 17,445,842,691.96 - Step 5: Solve for x
x = 17,445,842,691.96/118,394.25 - Step 6: Final answer
x = 147,353.80
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.