Finding the Fourth Proportional to 176,605.80, 264,908.70 and 76,813.80
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Solution
The fourth proportional to 176,605.80, 264,908.70 and 76,813.80 is: 115,220.70
Step by Step Solution
- Step 1: Write the proportion equation
176,605.80 : 264,908.70 = 76,813.80 : x - Step 2: Convert to fraction form
176,605.80/264,908.70 = 76,813.80/x - Step 3: Cross multiply
176,605.80x = 264,908.70 × 76,813.80 - Step 4: Simplify right side
176,605.80x = 20,348,643,900.06 - Step 5: Solve for x
x = 20,348,643,900.06/176,605.80 - Step 6: Final answer
x = 115,220.70
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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.