Finding the Fourth Proportional to 445,562.10, 615,114.63 and 344,112.66
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Solution
The fourth proportional to 445,562.10, 615,114.63 and 344,112.66 is: 475,060.00
Step by Step Solution
- Step 1: Write the proportion equation
445,562.10 : 615,114.63 = 344,112.66 : x - Step 2: Convert to fraction form
445,562.10/615,114.63 = 344,112.66/x - Step 3: Cross multiply
445,562.10x = 615,114.63 × 344,112.66 - Step 4: Simplify right side
445,562.10x = 211,668,731,534.22 - Step 5: Solve for x
x = 211,668,731,534.22/445,562.10 - Step 6: Final answer
x = 475,060.00
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1.5x scale
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.