Finding the Fourth Proportional to 169,387.45, 233,753.09 and 92,904.98
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Solution
The fourth proportional to 169,387.45, 233,753.09 and 92,904.98 is: 128,207.99
Step by Step Solution
- Step 1: Write the proportion equation
169,387.45 : 233,753.09 = 92,904.98 : x - Step 2: Convert to fraction form
169,387.45/233,753.09 = 92,904.98/x - Step 3: Cross multiply
169,387.45x = 233,753.09 × 92,904.98 - Step 4: Simplify right side
169,387.45x = 21,716,824,518.10 - Step 5: Solve for x
x = 21,716,824,518.10/169,387.45 - Step 6: Final answer
x = 128,207.99
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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.