Finding the Fourth Proportional to 386,415.40, 579,594.30 and 161,717.80
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Solution
The fourth proportional to 386,415.40, 579,594.30 and 161,717.80 is: 242,564.65
Step by Step Solution
- Step 1: Write the proportion equation
386,415.40 : 579,594.30 = 161,717.80 : x - Step 2: Convert to fraction form
386,415.40/579,594.30 = 161,717.80/x - Step 3: Cross multiply
386,415.40x = 579,594.30 × 161,717.80 - Step 4: Simplify right side
386,415.40x = 93,730,715,088.54 - Step 5: Solve for x
x = 93,730,715,088.54/386,415.40 - Step 6: Final answer
x = 242,564.65
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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.