Finding the Fourth Proportional to 409,888.84, 614,458.08 and 143,504.08
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Solution
The fourth proportional to 409,888.84, 614,458.08 and 143,504.08 is: 215,124.77
Step by Step Solution
- Step 1: Write the proportion equation
409,888.84 : 614,458.08 = 143,504.08 : x - Step 2: Convert to fraction form
409,888.84/614,458.08 = 143,504.08/x - Step 3: Cross multiply
409,888.84x = 614,458.08 × 143,504.08 - Step 4: Simplify right side
409,888.84x = 88,177,241,468.97 - Step 5: Solve for x
x = 88,177,241,468.97/409,888.84 - Step 6: Final answer
x = 215,124.77
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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.