Finding the Fourth Proportional to 186,908.80, 257,925.13 and 106,328.74
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Solution
The fourth proportional to 186,908.80, 257,925.13 and 106,328.74 is: 146,728.53
Step by Step Solution
- Step 1: Write the proportion equation
186,908.80 : 257,925.13 = 106,328.74 : x - Step 2: Convert to fraction form
186,908.80/257,925.13 = 106,328.74/x - Step 3: Cross multiply
186,908.80x = 257,925.13 × 106,328.74 - Step 4: Simplify right side
186,908.80x = 27,424,854,087.24 - Step 5: Solve for x
x = 27,424,854,087.24/186,908.80 - Step 6: Final answer
x = 146,728.53
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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.