Finding the Fourth Proportional to 170,502.08, 255,753.15 and 75,709.98
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Solution
The fourth proportional to 170,502.08, 255,753.15 and 75,709.98 is: 113,564.99
Step by Step Solution
- Step 1: Write the proportion equation
170,502.08 : 255,753.15 = 75,709.98 : x - Step 2: Convert to fraction form
170,502.08/255,753.15 = 75,709.98/x - Step 3: Cross multiply
170,502.08x = 255,753.15 × 75,709.98 - Step 4: Simplify right side
170,502.08x = 19,363,065,871.44 - Step 5: Solve for x
x = 19,363,065,871.44/170,502.08 - Step 6: Final answer
x = 113,564.99
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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.