Finding the Fourth Proportional to 492,695.26, 679,919.19 and 266,341.18
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Solution
The fourth proportional to 492,695.26, 679,919.19 and 266,341.18 is: 367,550.68
Step by Step Solution
- Step 1: Write the proportion equation
492,695.26 : 679,919.19 = 266,341.18 : x - Step 2: Convert to fraction form
492,695.26/679,919.19 = 266,341.18/x - Step 3: Cross multiply
492,695.26x = 679,919.19 × 266,341.18 - Step 4: Simplify right side
492,695.26x = 181,090,479,369.24 - Step 5: Solve for x
x = 181,090,479,369.24/492,695.26 - Step 6: Final answer
x = 367,550.68
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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.