Finding the Fourth Proportional to 176,723.70, 265,215.15 and 117,539.70
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Solution
The fourth proportional to 176,723.70, 265,215.15 and 117,539.70 is: 176,395.75
Step by Step Solution
- Step 1: Write the proportion equation
176,723.70 : 265,215.15 = 117,539.70 : x - Step 2: Convert to fraction form
176,723.70/265,215.15 = 117,539.70/x - Step 3: Cross multiply
176,723.70x = 265,215.15 × 117,539.70 - Step 4: Simplify right side
176,723.70x = 31,173,309,166.46 - Step 5: Solve for x
x = 31,173,309,166.46/176,723.70 - Step 6: Final answer
x = 176,395.75
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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.