Finding the Fourth Proportional to 370,314.98, 555,415.69 and 117,562.70
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Solution
The fourth proportional to 370,314.98, 555,415.69 and 117,562.70 is: 176,326.02
Step by Step Solution
- Step 1: Write the proportion equation
370,314.98 : 555,415.69 = 117,562.70 : x - Step 2: Convert to fraction form
370,314.98/555,415.69 = 117,562.70/x - Step 3: Cross multiply
370,314.98x = 555,415.69 × 117,562.70 - Step 4: Simplify right side
370,314.98x = 65,296,165,361.68 - Step 5: Solve for x
x = 65,296,165,361.68/370,314.98 - Step 6: Final answer
x = 176,326.02
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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.