Finding the Fourth Proportional to 186,909.05, 257,925.48 and 106,328.99
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Solution
The fourth proportional to 186,909.05, 257,925.48 and 106,328.99 is: 146,728.88
Step by Step Solution
- Step 1: Write the proportion equation
186,909.05 : 257,925.48 = 106,328.99 : x - Step 2: Convert to fraction form
186,909.05/257,925.48 = 106,328.99/x - Step 3: Cross multiply
186,909.05x = 257,925.48 × 106,328.99 - Step 4: Simplify right side
186,909.05x = 27,424,955,783.67 - Step 5: Solve for x
x = 27,424,955,783.67/186,909.05 - Step 6: Final answer
x = 146,728.88
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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.