Finding the Fourth Proportional to 178,009.99, 245,654.05 and 97,442.62
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Solution
The fourth proportional to 178,009.99, 245,654.05 and 97,442.62 is: 134,470.96
Step by Step Solution
- Step 1: Write the proportion equation
178,009.99 : 245,654.05 = 97,442.62 : x - Step 2: Convert to fraction form
178,009.99/245,654.05 = 97,442.62/x - Step 3: Cross multiply
178,009.99x = 245,654.05 × 97,442.62 - Step 4: Simplify right side
178,009.99x = 23,937,174,245.61 - Step 5: Solve for x
x = 23,937,174,245.61/178,009.99 - Step 6: Final answer
x = 134,470.96
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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.