Finding the Fourth Proportional to 611,294.10, 917,378.55 and 256,562.70
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Solution
The fourth proportional to 611,294.10, 917,378.55 and 256,562.70 is: 385,027.63
Step by Step Solution
- Step 1: Write the proportion equation
611,294.10 : 917,378.55 = 256,562.70 : x - Step 2: Convert to fraction form
611,294.10/917,378.55 = 256,562.70/x - Step 3: Cross multiply
611,294.10x = 917,378.55 × 256,562.70 - Step 4: Simplify right side
611,294.10x = 235,365,117,710.09 - Step 5: Solve for x
x = 235,365,117,710.09/611,294.10 - Step 6: Final answer
x = 385,027.63
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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.