Finding the Fourth Proportional to 207,297.96, 310,813.92 and 99,182.76
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Solution
The fourth proportional to 207,297.96, 310,813.92 and 99,182.76 is: 148,710.50
Step by Step Solution
- Step 1: Write the proportion equation
207,297.96 : 310,813.92 = 99,182.76 : x - Step 2: Convert to fraction form
207,297.96/310,813.92 = 99,182.76/x - Step 3: Cross multiply
207,297.96x = 310,813.92 × 99,182.76 - Step 4: Simplify right side
207,297.96x = 30,827,382,432.02 - Step 5: Solve for x
x = 30,827,382,432.02/207,297.96 - Step 6: Final answer
x = 148,710.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.