Finding the Fourth Proportional to 276,998.24, 382,252.20 and 156,137.23
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Solution
The fourth proportional to 276,998.24, 382,252.20 and 156,137.23 is: 215,466.35
Step by Step Solution
- Step 1: Write the proportion equation
276,998.24 : 382,252.20 = 156,137.23 : x - Step 2: Convert to fraction form
276,998.24/382,252.20 = 156,137.23/x - Step 3: Cross multiply
276,998.24x = 382,252.20 × 156,137.23 - Step 4: Simplify right side
276,998.24x = 59,683,799,561.71 - Step 5: Solve for x
x = 59,683,799,561.71/276,998.24 - Step 6: Final answer
x = 215,466.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.