Finding the Fourth Proportional to 549,057.96, 757,470.69 and 358,064.82
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Solution
The fourth proportional to 549,057.96, 757,470.69 and 358,064.82 is: 493,979.92
Step by Step Solution
- Step 1: Write the proportion equation
549,057.96 : 757,470.69 = 358,064.82 : x - Step 2: Convert to fraction form
549,057.96/757,470.69 = 358,064.82/x - Step 3: Cross multiply
549,057.96x = 757,470.69 × 358,064.82 - Step 4: Simplify right side
549,057.96x = 271,223,606,270.13 - Step 5: Solve for x
x = 271,223,606,270.13/549,057.96 - Step 6: Final answer
x = 493,979.92
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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.