Finding the Fourth Proportional to 386,837.08, 579,569.14 and 161,701.22
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Solution
The fourth proportional to 386,837.08, 579,569.14 and 161,701.22 is: 242,264.88
Step by Step Solution
- Step 1: Write the proportion equation
386,837.08 : 579,569.14 = 161,701.22 : x - Step 2: Convert to fraction form
386,837.08/579,569.14 = 161,701.22/x - Step 3: Cross multiply
386,837.08x = 579,569.14 × 161,701.22 - Step 4: Simplify right side
386,837.08x = 93,717,038,663.40 - Step 5: Solve for x
x = 93,717,038,663.40/386,837.08 - Step 6: Final answer
x = 242,264.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.