Finding the Fourth Proportional to 353,242.25, 487,487.13 and 202,368.41
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Solution
The fourth proportional to 353,242.25, 487,487.13 and 202,368.41 is: 279,275.75
Step by Step Solution
- Step 1: Write the proportion equation
353,242.25 : 487,487.13 = 202,368.41 : x - Step 2: Convert to fraction form
353,242.25/487,487.13 = 202,368.41/x - Step 3: Cross multiply
353,242.25x = 487,487.13 × 202,368.41 - Step 4: Simplify right side
353,242.25x = 98,651,995,393.56 - Step 5: Solve for x
x = 98,651,995,393.56/353,242.25 - Step 6: Final answer
x = 279,275.75
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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.