Finding the Fourth Proportional to 529,169.22, 730,267.07 and 287,465.63
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Solution
The fourth proportional to 529,169.22, 730,267.07 and 287,465.63 is: 396,709.92
Step by Step Solution
- Step 1: Write the proportion equation
529,169.22 : 730,267.07 = 287,465.63 : x - Step 2: Convert to fraction form
529,169.22/730,267.07 = 287,465.63/x - Step 3: Cross multiply
529,169.22x = 730,267.07 × 287,465.63 - Step 4: Simplify right side
529,169.22x = 209,926,678,257.14 - Step 5: Solve for x
x = 209,926,678,257.14/529,169.22 - Step 6: Final answer
x = 396,709.92
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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.