Finding the Fourth Proportional to 117,718.99, 176,404.80 and 69,637.88
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Solution
The fourth proportional to 117,718.99, 176,404.80 and 69,637.88 is: 104,354.07
Step by Step Solution
- Step 1: Write the proportion equation
117,718.99 : 176,404.80 = 69,637.88 : x - Step 2: Convert to fraction form
117,718.99/176,404.80 = 69,637.88/x - Step 3: Cross multiply
117,718.99x = 176,404.80 × 69,637.88 - Step 4: Simplify right side
117,718.99x = 12,284,456,003.70 - Step 5: Solve for x
x = 12,284,456,003.70/117,718.99 - Step 6: Final answer
x = 104,354.07
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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.