Finding the Fourth Proportional to 644,463.02, 966,699.99 and 195,219.20
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Solution
The fourth proportional to 644,463.02, 966,699.99 and 195,219.20 is: 292,830.45
Step by Step Solution
- Step 1: Write the proportion equation
644,463.02 : 966,699.99 = 195,219.20 : x - Step 2: Convert to fraction form
644,463.02/966,699.99 = 195,219.20/x - Step 3: Cross multiply
644,463.02x = 966,699.99 × 195,219.20 - Step 4: Simplify right side
644,463.02x = 188,718,393,854.31 - Step 5: Solve for x
x = 188,718,393,854.31/644,463.02 - Step 6: Final answer
x = 292,830.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.