Finding the Fourth Proportional to 177,690.10, 266,659.68 and 102,707.06
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Solution
The fourth proportional to 177,690.10, 266,659.68 and 102,707.06 is: 154,132.56
Step by Step Solution
- Step 1: Write the proportion equation
177,690.10 : 266,659.68 = 102,707.06 : x - Step 2: Convert to fraction form
177,690.10/266,659.68 = 102,707.06/x - Step 3: Cross multiply
177,690.10x = 266,659.68 × 102,707.06 - Step 4: Simplify right side
177,690.10x = 27,387,830,420.04 - Step 5: Solve for x
x = 27,387,830,420.04/177,690.10 - Step 6: Final answer
x = 154,132.56
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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.