Finding the Fourth Proportional to 438,937.48, 658,682.99 and 172,663.39
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Solution
The fourth proportional to 438,937.48, 658,682.99 and 172,663.39 is: 259,103.95
Step by Step Solution
- Step 1: Write the proportion equation
438,937.48 : 658,682.99 = 172,663.39 : x - Step 2: Convert to fraction form
438,937.48/658,682.99 = 172,663.39/x - Step 3: Cross multiply
438,937.48x = 658,682.99 × 172,663.39 - Step 4: Simplify right side
438,937.48x = 113,730,433,832.00 - Step 5: Solve for x
x = 113,730,433,832.00/438,937.48 - Step 6: Final answer
x = 259,103.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.