Finding the Fourth Proportional to 529,427.20, 793,970.08 and 174,356.80
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Solution
The fourth proportional to 529,427.20, 793,970.08 and 174,356.80 is: 261,478.98
Step by Step Solution
- Step 1: Write the proportion equation
529,427.20 : 793,970.08 = 174,356.80 : x - Step 2: Convert to fraction form
529,427.20/793,970.08 = 174,356.80/x - Step 3: Cross multiply
529,427.20x = 793,970.08 × 174,356.80 - Step 4: Simplify right side
529,427.20x = 138,434,082,444.54 - Step 5: Solve for x
x = 138,434,082,444.54/529,427.20 - Step 6: Final answer
x = 261,478.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.