Finding the Fourth Proportional to 631,203.84, 946,805.76 and 257,160.96
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Solution
The fourth proportional to 631,203.84, 946,805.76 and 257,160.96 is: 385,741.44
Step by Step Solution
- Step 1: Write the proportion equation
631,203.84 : 946,805.76 = 257,160.96 : x - Step 2: Convert to fraction form
631,203.84/946,805.76 = 257,160.96/x - Step 3: Cross multiply
631,203.84x = 946,805.76 × 257,160.96 - Step 4: Simplify right side
631,203.84x = 243,481,478,175.13 - Step 5: Solve for x
x = 243,481,478,175.13/631,203.84 - Step 6: Final answer
x = 385,741.44
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Similar ratio
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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.