Finding the Fourth Proportional to 661,654.98, 913,083.84 and 375,174.99
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Solution
The fourth proportional to 661,654.98, 913,083.84 and 375,174.99 is: 517,741.47
Step by Step Solution
- Step 1: Write the proportion equation
661,654.98 : 913,083.84 = 375,174.99 : x - Step 2: Convert to fraction form
661,654.98/913,083.84 = 375,174.99/x - Step 3: Cross multiply
661,654.98x = 913,083.84 × 375,174.99 - Step 4: Simplify right side
661,654.98x = 342,566,220,541.16 - Step 5: Solve for x
x = 342,566,220,541.16/661,654.98 - Step 6: Final answer
x = 517,741.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.