Finding the Fourth Proportional to 346,515.70, 519,773.55 and 253,203.70
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Solution
The fourth proportional to 346,515.70, 519,773.55 and 253,203.70 is: 379,805.55
Step by Step Solution
- Step 1: Write the proportion equation
346,515.70 : 519,773.55 = 253,203.70 : x - Step 2: Convert to fraction form
346,515.70/519,773.55 = 253,203.70/x - Step 3: Cross multiply
346,515.70x = 519,773.55 × 253,203.70 - Step 4: Simplify right side
346,515.70x = 131,608,586,022.14 - Step 5: Solve for x
x = 131,608,586,022.14/346,515.70 - Step 6: Final answer
x = 379,805.55
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1.5x scale
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.