Finding the Fourth Proportional to 176,300.21, 243,299.84 and 99,817.99
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Solution
The fourth proportional to 176,300.21, 243,299.84 and 99,817.99 is: 137,751.96
Step by Step Solution
- Step 1: Write the proportion equation
176,300.21 : 243,299.84 = 99,817.99 : x - Step 2: Convert to fraction form
176,300.21/243,299.84 = 99,817.99/x - Step 3: Cross multiply
176,300.21x = 243,299.84 × 99,817.99 - Step 4: Simplify right side
176,300.21x = 24,285,699,888.78 - Step 5: Solve for x
x = 24,285,699,888.78/176,300.21 - Step 6: Final answer
x = 137,751.96
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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.