Finding the Fourth Proportional to 512,173.62, 706,795.71 and 282,731.00
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Solution
The fourth proportional to 512,173.62, 706,795.71 and 282,731.00 is: 390,166.63
Step by Step Solution
- Step 1: Write the proportion equation
512,173.62 : 706,795.71 = 282,731.00 : x - Step 2: Convert to fraction form
512,173.62/706,795.71 = 282,731.00/x - Step 3: Cross multiply
512,173.62x = 706,795.71 × 282,731.00 - Step 4: Simplify right side
512,173.62x = 199,833,054,350.03 - Step 5: Solve for x
x = 199,833,054,350.03/512,173.62 - Step 6: Final answer
x = 390,166.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.