Finding the Fourth Proportional to 176,219.99, 243,125.69 and 99,731.49
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Solution
The fourth proportional to 176,219.99, 243,125.69 and 99,731.49 is: 137,596.68
Step by Step Solution
- Step 1: Write the proportion equation
176,219.99 : 243,125.69 = 99,731.49 : x - Step 2: Convert to fraction form
176,219.99/243,125.69 = 99,731.49/x - Step 3: Cross multiply
176,219.99x = 243,125.69 × 99,731.49 - Step 4: Simplify right side
176,219.99x = 24,247,285,910.60 - Step 5: Solve for x
x = 24,247,285,910.60/176,219.99 - Step 6: Final answer
x = 137,596.68
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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.