Finding the Fourth Proportional to 406,283.88, 609,529.50 and 257,580.84
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Solution
The fourth proportional to 406,283.88, 609,529.50 and 257,580.84 is: 386,436.99
Step by Step Solution
- Step 1: Write the proportion equation
406,283.88 : 609,529.50 = 257,580.84 : x - Step 2: Convert to fraction form
406,283.88/609,529.50 = 257,580.84/x - Step 3: Cross multiply
406,283.88x = 609,529.50 × 257,580.84 - Step 4: Simplify right side
406,283.88x = 157,003,120,614.78 - Step 5: Solve for x
x = 157,003,120,614.78/406,283.88 - Step 6: Final answer
x = 386,436.99
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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.