Finding the Fourth Proportional to 346,382.70, 478,116.99 and 203,200.62
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Solution
The fourth proportional to 346,382.70, 478,116.99 and 203,200.62 is: 280,480.72
Step by Step Solution
- Step 1: Write the proportion equation
346,382.70 : 478,116.99 = 203,200.62 : x - Step 2: Convert to fraction form
346,382.70/478,116.99 = 203,200.62/x - Step 3: Cross multiply
346,382.70x = 478,116.99 × 203,200.62 - Step 4: Simplify right side
346,382.70x = 97,153,668,800.53 - Step 5: Solve for x
x = 97,153,668,800.53/346,382.70 - Step 6: Final answer
x = 280,480.72
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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.