Finding the Fourth Proportional to 106,211.34, 159,317.02 and 39,656.66
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Solution
The fourth proportional to 106,211.34, 159,317.02 and 39,656.66 is: 59,484.99
Step by Step Solution
- Step 1: Write the proportion equation
106,211.34 : 159,317.02 = 39,656.66 : x - Step 2: Convert to fraction form
106,211.34/159,317.02 = 39,656.66/x - Step 3: Cross multiply
106,211.34x = 159,317.02 × 39,656.66 - Step 4: Simplify right side
106,211.34x = 6,317,980,696.07 - Step 5: Solve for x
x = 6,317,980,696.07/106,211.34 - Step 6: Final answer
x = 59,484.99
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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.