Finding the Fourth Proportional to 292,143.25, 437,061.91 and 221,270.09
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Solution
The fourth proportional to 292,143.25, 437,061.91 and 221,270.09 is: 331,031.88
Step by Step Solution
- Step 1: Write the proportion equation
292,143.25 : 437,061.91 = 221,270.09 : x - Step 2: Convert to fraction form
292,143.25/437,061.91 = 221,270.09/x - Step 3: Cross multiply
292,143.25x = 437,061.91 × 221,270.09 - Step 4: Simplify right side
292,143.25x = 96,708,728,700.75 - Step 5: Solve for x
x = 96,708,728,700.75/292,143.25 - Step 6: Final answer
x = 331,031.88
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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.