Finding the Fourth Proportional to 177,983.18, 266,946.69 and 83,279.06
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Solution
The fourth proportional to 177,983.18, 266,946.69 and 83,279.06 is: 124,905.45
Step by Step Solution
- Step 1: Write the proportion equation
177,983.18 : 266,946.69 = 83,279.06 : x - Step 2: Convert to fraction form
177,983.18/266,946.69 = 83,279.06/x - Step 3: Cross multiply
177,983.18x = 266,946.69 × 83,279.06 - Step 4: Simplify right side
177,983.18x = 22,231,069,413.31 - Step 5: Solve for x
x = 22,231,069,413.31/177,983.18 - Step 6: Final answer
x = 124,905.45
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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.