Finding the Fourth Proportional to 253,887.48, 380,269.68 and 103,672.26
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Solution
The fourth proportional to 253,887.48, 380,269.68 and 103,672.26 is: 155,279.09
Step by Step Solution
- Step 1: Write the proportion equation
253,887.48 : 380,269.68 = 103,672.26 : x - Step 2: Convert to fraction form
253,887.48/380,269.68 = 103,672.26/x - Step 3: Cross multiply
253,887.48x = 380,269.68 × 103,672.26 - Step 4: Simplify right side
253,887.48x = 39,423,417,135.08 - Step 5: Solve for x
x = 39,423,417,135.08/253,887.48 - Step 6: Final answer
x = 155,279.09
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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.