Finding the Fourth Proportional to 118,476.24, 177,723.52 and 39,590.74
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Solution
The fourth proportional to 118,476.24, 177,723.52 and 39,590.74 is: 59,389.17
Step by Step Solution
- Step 1: Write the proportion equation
118,476.24 : 177,723.52 = 39,590.74 : x - Step 2: Convert to fraction form
118,476.24/177,723.52 = 39,590.74/x - Step 3: Cross multiply
118,476.24x = 177,723.52 × 39,590.74 - Step 4: Simplify right side
118,476.24x = 7,036,205,672.20 - Step 5: Solve for x
x = 7,036,205,672.20/118,476.24 - Step 6: Final answer
x = 59,389.17
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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.