Finding the Fourth Proportional to 107,228.36, 160,787.62 and 56,654.54
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Solution
The fourth proportional to 107,228.36, 160,787.62 and 56,654.54 is: 84,952.79
Step by Step Solution
- Step 1: Write the proportion equation
107,228.36 : 160,787.62 = 56,654.54 : x - Step 2: Convert to fraction form
107,228.36/160,787.62 = 56,654.54/x - Step 3: Cross multiply
107,228.36x = 160,787.62 × 56,654.54 - Step 4: Simplify right side
107,228.36x = 9,109,348,518.63 - Step 5: Solve for x
x = 9,109,348,518.63/107,228.36 - Step 6: Final answer
x = 84,952.79
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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.