Finding the Fourth Proportional to 157,296.29, 235,854.48 and 73,013.09
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Solution
The fourth proportional to 157,296.29, 235,854.48 and 73,013.09 is: 109,477.88
Step by Step Solution
- Step 1: Write the proportion equation
157,296.29 : 235,854.48 = 73,013.09 : x - Step 2: Convert to fraction form
157,296.29/235,854.48 = 73,013.09/x - Step 3: Cross multiply
157,296.29x = 235,854.48 × 73,013.09 - Step 4: Simplify right side
157,296.29x = 17,220,464,375.14 - Step 5: Solve for x
x = 17,220,464,375.14/157,296.29 - Step 6: Final answer
x = 109,477.88
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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.