Finding the Fourth Proportional to 543,703.84, 815,555.76 and 169,758.88
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Solution
The fourth proportional to 543,703.84, 815,555.76 and 169,758.88 is: 254,638.32
Step by Step Solution
- Step 1: Write the proportion equation
543,703.84 : 815,555.76 = 169,758.88 : x - Step 2: Convert to fraction form
543,703.84/815,555.76 = 169,758.88/x - Step 3: Cross multiply
543,703.84x = 815,555.76 × 169,758.88 - Step 4: Simplify right side
543,703.84x = 138,447,832,395.15 - Step 5: Solve for x
x = 138,447,832,395.15/543,703.84 - Step 6: Final answer
x = 254,638.32
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Similar ratio
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1.5x scale
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.