Finding the Fourth Proportional to 177,187.80, 265,781.70 and 124,043.70
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Solution
The fourth proportional to 177,187.80, 265,781.70 and 124,043.70 is: 186,065.55
Step by Step Solution
- Step 1: Write the proportion equation
177,187.80 : 265,781.70 = 124,043.70 : x - Step 2: Convert to fraction form
177,187.80/265,781.70 = 124,043.70/x - Step 3: Cross multiply
177,187.80x = 265,781.70 × 124,043.70 - Step 4: Simplify right side
177,187.80x = 32,968,545,460.29 - Step 5: Solve for x
x = 32,968,545,460.29/177,187.80 - Step 6: Final answer
x = 186,065.55
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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.