Finding the Fourth Proportional to 155,331.95, 232,971.91 and 43,023.47
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Solution
The fourth proportional to 155,331.95, 232,971.91 and 43,023.47 is: 64,527.99
Step by Step Solution
- Step 1: Write the proportion equation
155,331.95 : 232,971.91 = 43,023.47 : x - Step 2: Convert to fraction form
155,331.95/232,971.91 = 43,023.47/x - Step 3: Cross multiply
155,331.95x = 232,971.91 × 43,023.47 - Step 4: Simplify right side
155,331.95x = 10,023,258,708.31 - Step 5: Solve for x
x = 10,023,258,708.31/155,331.95 - Step 6: Final answer
x = 64,527.99
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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.