Finding the Fourth Proportional to 492,779.48, 680,035.61 and 266,424.98
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Solution
The fourth proportional to 492,779.48, 680,035.61 and 266,424.98 is: 367,666.43
Step by Step Solution
- Step 1: Write the proportion equation
492,779.48 : 680,035.61 = 266,424.98 : x - Step 2: Convert to fraction form
492,779.48/680,035.61 = 266,424.98/x - Step 3: Cross multiply
492,779.48x = 680,035.61 × 266,424.98 - Step 4: Simplify right side
492,779.48x = 181,178,469,061.24 - Step 5: Solve for x
x = 181,178,469,061.24/492,779.48 - Step 6: Final answer
x = 367,666.43
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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.