Finding the Fourth Proportional to 445,130.55, 614,310.29 and 251,471.08
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Solution
The fourth proportional to 445,130.55, 614,310.29 and 251,471.08 is: 347,047.11
Step by Step Solution
- Step 1: Write the proportion equation
445,130.55 : 614,310.29 = 251,471.08 : x - Step 2: Convert to fraction form
445,130.55/614,310.29 = 251,471.08/x - Step 3: Cross multiply
445,130.55x = 614,310.29 × 251,471.08 - Step 4: Simplify right side
445,130.55x = 154,481,272,081.41 - Step 5: Solve for x
x = 154,481,272,081.41/445,130.55 - Step 6: Final answer
x = 347,047.11
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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.