Finding the Fourth Proportional to 202,683.47, 279,728.84 and 117,784.13
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Solution
The fourth proportional to 202,683.47, 279,728.84 and 117,784.13 is: 162,557.00
Step by Step Solution
- Step 1: Write the proportion equation
202,683.47 : 279,728.84 = 117,784.13 : x - Step 2: Convert to fraction form
202,683.47/279,728.84 = 117,784.13/x - Step 3: Cross multiply
202,683.47x = 279,728.84 × 117,784.13 - Step 4: Simplify right side
202,683.47x = 32,947,616,951.13 - Step 5: Solve for x
x = 32,947,616,951.13/202,683.47 - Step 6: Final answer
x = 162,557.00
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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.