Finding the Fourth Proportional to 659,147.06, 909,630.10 and 387,226.42
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Solution
The fourth proportional to 659,147.06, 909,630.10 and 387,226.42 is: 534,376.66
Step by Step Solution
- Step 1: Write the proportion equation
659,147.06 : 909,630.10 = 387,226.42 : x - Step 2: Convert to fraction form
659,147.06/909,630.10 = 387,226.42/x - Step 3: Cross multiply
659,147.06x = 909,630.10 × 387,226.42 - Step 4: Simplify right side
659,147.06x = 352,232,807,147.24 - Step 5: Solve for x
x = 352,232,807,147.24/659,147.06 - Step 6: Final answer
x = 534,376.66
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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.