Finding the Fourth Proportional to 306,949.70, 423,574.04 and 169,124.02
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Solution
The fourth proportional to 306,949.70, 423,574.04 and 169,124.02 is: 233,382.03
Step by Step Solution
- Step 1: Write the proportion equation
306,949.70 : 423,574.04 = 169,124.02 : x - Step 2: Convert to fraction form
306,949.70/423,574.04 = 169,124.02/x - Step 3: Cross multiply
306,949.70x = 423,574.04 × 169,124.02 - Step 4: Simplify right side
306,949.70x = 71,636,543,776.32 - Step 5: Solve for x
x = 71,636,543,776.32/306,949.70 - Step 6: Final answer
x = 233,382.03
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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.