Finding the Fourth Proportional to 550,438.66, 759,605.10 and 320,951.62
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Solution
The fourth proportional to 550,438.66, 759,605.10 and 320,951.62 is: 442,913.09
Step by Step Solution
- Step 1: Write the proportion equation
550,438.66 : 759,605.10 = 320,951.62 : x - Step 2: Convert to fraction form
550,438.66/759,605.10 = 320,951.62/x - Step 3: Cross multiply
550,438.66x = 759,605.10 × 320,951.62 - Step 4: Simplify right side
550,438.66x = 243,796,487,151.20 - Step 5: Solve for x
x = 243,796,487,151.20/550,438.66 - Step 6: Final answer
x = 442,913.09
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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.