Finding the Fourth Proportional to 148,387.24, 222,301.98 and 73,420.36
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Solution
The fourth proportional to 148,387.24, 222,301.98 and 73,420.36 is: 109,992.55
Step by Step Solution
- Step 1: Write the proportion equation
148,387.24 : 222,301.98 = 73,420.36 : x - Step 2: Convert to fraction form
148,387.24/222,301.98 = 73,420.36/x - Step 3: Cross multiply
148,387.24x = 222,301.98 × 73,420.36 - Step 4: Simplify right side
148,387.24x = 16,321,491,400.31 - Step 5: Solve for x
x = 16,321,491,400.31/148,387.24 - Step 6: Final answer
x = 109,992.55
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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.