Finding the Fourth Proportional to 207,328.46, 286,041.68 and 125,682.89
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Solution
The fourth proportional to 207,328.46, 286,041.68 and 125,682.89 is: 173,398.99
Step by Step Solution
- Step 1: Write the proportion equation
207,328.46 : 286,041.68 = 125,682.89 : x - Step 2: Convert to fraction form
207,328.46/286,041.68 = 125,682.89/x - Step 3: Cross multiply
207,328.46x = 286,041.68 × 125,682.89 - Step 4: Simplify right side
207,328.46x = 35,950,545,089.54 - Step 5: Solve for x
x = 35,950,545,089.54/207,328.46 - Step 6: Final answer
x = 173,398.99
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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.