Finding the Fourth Proportional to 177,988.70, 266,983.05 and 53,329.70
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Solution
The fourth proportional to 177,988.70, 266,983.05 and 53,329.70 is: 79,994.55
Step by Step Solution
- Step 1: Write the proportion equation
177,988.70 : 266,983.05 = 53,329.70 : x - Step 2: Convert to fraction form
177,988.70/266,983.05 = 53,329.70/x - Step 3: Cross multiply
177,988.70x = 266,983.05 × 53,329.70 - Step 4: Simplify right side
177,988.70x = 14,238,125,961.59 - Step 5: Solve for x
x = 14,238,125,961.59/177,988.70 - Step 6: Final answer
x = 79,994.55
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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.