Finding the Fourth Proportional to 552,717.15, 828,982.98 and 153,398.49
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Solution
The fourth proportional to 552,717.15, 828,982.98 and 153,398.49 is: 230,071.99
Step by Step Solution
- Step 1: Write the proportion equation
552,717.15 : 828,982.98 = 153,398.49 : x - Step 2: Convert to fraction form
552,717.15/828,982.98 = 153,398.49/x - Step 3: Cross multiply
552,717.15x = 828,982.98 × 153,398.49 - Step 4: Simplify right side
552,717.15x = 127,164,737,367.70 - Step 5: Solve for x
x = 127,164,737,367.70/552,717.15 - Step 6: Final answer
x = 230,071.99
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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.