Finding the Fourth Proportional to 529,101.68, 730,165.68 and 287,388.98
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Solution
The fourth proportional to 529,101.68, 730,165.68 and 287,388.98 is: 396,599.70
Step by Step Solution
- Step 1: Write the proportion equation
529,101.68 : 730,165.68 = 287,388.98 : x - Step 2: Convert to fraction form
529,101.68/730,165.68 = 287,388.98/x - Step 3: Cross multiply
529,101.68x = 730,165.68 × 287,388.98 - Step 4: Simplify right side
529,101.68x = 209,841,570,006.21 - Step 5: Solve for x
x = 209,841,570,006.21/529,101.68 - Step 6: Final answer
x = 396,599.70
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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.