Finding the Fourth Proportional to 207,607.29, 286,498.05 and 112,113.99
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Solution
The fourth proportional to 207,607.29, 286,498.05 and 112,113.99 is: 154,717.30
Step by Step Solution
- Step 1: Write the proportion equation
207,607.29 : 286,498.05 = 112,113.99 : x - Step 2: Convert to fraction form
207,607.29/286,498.05 = 112,113.99/x - Step 3: Cross multiply
207,607.29x = 286,498.05 × 112,113.99 - Step 4: Simplify right side
207,607.29x = 32,120,439,512.72 - Step 5: Solve for x
x = 32,120,439,512.72/207,607.29 - Step 6: Final answer
x = 154,717.30
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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.