Finding the Fourth Proportional to 438,258.28, 604,824.96 and 247,201.96
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Solution
The fourth proportional to 438,258.28, 604,824.96 and 247,201.96 is: 341,154.80
Step by Step Solution
- Step 1: Write the proportion equation
438,258.28 : 604,824.96 = 247,201.96 : x - Step 2: Convert to fraction form
438,258.28/604,824.96 = 247,201.96/x - Step 3: Cross multiply
438,258.28x = 604,824.96 × 247,201.96 - Step 4: Simplify right side
438,258.28x = 149,513,915,568.92 - Step 5: Solve for x
x = 149,513,915,568.92/438,258.28 - Step 6: Final answer
x = 341,154.80
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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.