Finding the Fourth Proportional to 357,715.70, 493,637.37 and 202,652.54
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Solution
The fourth proportional to 357,715.70, 493,637.37 and 202,652.54 is: 279,654.67
Step by Step Solution
- Step 1: Write the proportion equation
357,715.70 : 493,637.37 = 202,652.54 : x - Step 2: Convert to fraction form
357,715.70/493,637.37 = 202,652.54/x - Step 3: Cross multiply
357,715.70x = 493,637.37 × 202,652.54 - Step 4: Simplify right side
357,715.70x = 100,036,866,869.42 - Step 5: Solve for x
x = 100,036,866,869.42/357,715.70 - Step 6: Final answer
x = 279,654.67
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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.