Finding the Fourth Proportional to 176,346.97, 243,374.69 and 99,884.67
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Solution
The fourth proportional to 176,346.97, 243,374.69 and 99,884.67 is: 137,849.83
Step by Step Solution
- Step 1: Write the proportion equation
176,346.97 : 243,374.69 = 99,884.67 : x - Step 2: Convert to fraction form
176,346.97/243,374.69 = 99,884.67/x - Step 3: Cross multiply
176,346.97x = 243,374.69 × 99,884.67 - Step 4: Simplify right side
176,346.97x = 24,309,399,934.06 - Step 5: Solve for x
x = 24,309,399,934.06/176,346.97 - Step 6: Final answer
x = 137,849.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.