Finding the Fourth Proportional to 202,454.70, 303,931.65 and 127,574.70
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Solution
The fourth proportional to 202,454.70, 303,931.65 and 127,574.70 is: 191,519.33
Step by Step Solution
- Step 1: Write the proportion equation
202,454.70 : 303,931.65 = 127,574.70 : x - Step 2: Convert to fraction form
202,454.70/303,931.65 = 127,574.70/x - Step 3: Cross multiply
202,454.70x = 303,931.65 × 127,574.70 - Step 4: Simplify right side
202,454.70x = 38,773,989,069.26 - Step 5: Solve for x
x = 38,773,989,069.26/202,454.70 - Step 6: Final answer
x = 191,519.33
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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.