Finding the Fourth Proportional to 176,463.18, 243,518.70 and 95,890.70
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Solution
The fourth proportional to 176,463.18, 243,518.70 and 95,890.70 is: 132,328.90
Step by Step Solution
- Step 1: Write the proportion equation
176,463.18 : 243,518.70 = 95,890.70 : x - Step 2: Convert to fraction form
176,463.18/243,518.70 = 95,890.70/x - Step 3: Cross multiply
176,463.18x = 243,518.70 × 95,890.70 - Step 4: Simplify right side
176,463.18x = 23,351,178,606.09 - Step 5: Solve for x
x = 23,351,178,606.09/176,463.18 - Step 6: Final answer
x = 132,328.90
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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.