Finding the Fourth Proportional to 130,442.64, 195,553.44 and 51,612.48
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Solution
The fourth proportional to 130,442.64, 195,553.44 and 51,612.48 is: 77,374.99
Step by Step Solution
- Step 1: Write the proportion equation
130,442.64 : 195,553.44 = 51,612.48 : x - Step 2: Convert to fraction form
130,442.64/195,553.44 = 51,612.48/x - Step 3: Cross multiply
130,442.64x = 195,553.44 × 51,612.48 - Step 4: Simplify right side
130,442.64x = 10,092,998,010.93 - Step 5: Solve for x
x = 10,092,998,010.93/130,442.64 - Step 6: Final answer
x = 77,374.99
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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.