Finding the Fourth Proportional to 176,220.96, 243,178.40 and 95,646.76
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Solution
The fourth proportional to 176,220.96, 243,178.40 and 95,646.76 is: 131,988.99
Step by Step Solution
- Step 1: Write the proportion equation
176,220.96 : 243,178.40 = 95,646.76 : x - Step 2: Convert to fraction form
176,220.96/243,178.40 = 95,646.76/x - Step 3: Cross multiply
176,220.96x = 243,178.40 × 95,646.76 - Step 4: Simplify right side
176,220.96x = 23,259,226,061.98 - Step 5: Solve for x
x = 23,259,226,061.98/176,220.96 - Step 6: Final answer
x = 131,988.99
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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.