Finding the Fourth Proportional to 402,372.78, 605,966.37 and 366,501.12
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Solution
The fourth proportional to 402,372.78, 605,966.37 and 366,501.12 is: 551,944.28
Step by Step Solution
- Step 1: Write the proportion equation
402,372.78 : 605,966.37 = 366,501.12 : x - Step 2: Convert to fraction form
402,372.78/605,966.37 = 366,501.12/x - Step 3: Cross multiply
402,372.78x = 605,966.37 × 366,501.12 - Step 4: Simplify right side
402,372.78x = 222,087,353,287.33 - Step 5: Solve for x
x = 222,087,353,287.33/402,372.78 - Step 6: Final answer
x = 551,944.28
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.