Finding the Fourth Proportional to 152,682.49, 210,658.48 and 89,007.99
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Solution
The fourth proportional to 152,682.49, 210,658.48 and 89,007.99 is: 122,805.75
Step by Step Solution
- Step 1: Write the proportion equation
152,682.49 : 210,658.48 = 89,007.99 : x - Step 2: Convert to fraction form
152,682.49/210,658.48 = 89,007.99/x - Step 3: Cross multiply
152,682.49x = 210,658.48 × 89,007.99 - Step 4: Simplify right side
152,682.49x = 18,750,287,881.26 - Step 5: Solve for x
x = 18,750,287,881.26/152,682.49 - Step 6: Final answer
x = 122,805.75
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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.