Finding the Fourth Proportional to 106,828.64, 160,129.97 and 40,239.96
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Solution
The fourth proportional to 106,828.64, 160,129.97 and 40,239.96 is: 60,317.38
Step by Step Solution
- Step 1: Write the proportion equation
106,828.64 : 160,129.97 = 40,239.96 : x - Step 2: Convert to fraction form
106,828.64/160,129.97 = 40,239.96/x - Step 3: Cross multiply
106,828.64x = 160,129.97 × 40,239.96 - Step 4: Simplify right side
106,828.64x = 6,443,623,386.40 - Step 5: Solve for x
x = 6,443,623,386.40/106,828.64 - Step 6: Final answer
x = 60,317.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.