Finding the Fourth Proportional to 315,126.68, 434,876.16 and 171,889.80
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Solution
The fourth proportional to 315,126.68, 434,876.16 and 171,889.80 is: 237,208.66
Step by Step Solution
- Step 1: Write the proportion equation
315,126.68 : 434,876.16 = 171,889.80 : x - Step 2: Convert to fraction form
315,126.68/434,876.16 = 171,889.80/x - Step 3: Cross multiply
315,126.68x = 434,876.16 × 171,889.80 - Step 4: Simplify right side
315,126.68x = 74,750,776,167.17 - Step 5: Solve for x
x = 74,750,776,167.17/315,126.68 - Step 6: Final answer
x = 237,208.66
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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.