Finding the Fourth Proportional to 253,564.48, 349,924.35 and 138,847.96
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Solution
The fourth proportional to 253,564.48, 349,924.35 and 138,847.96 is: 191,613.12
Step by Step Solution
- Step 1: Write the proportion equation
253,564.48 : 349,924.35 = 138,847.96 : x - Step 2: Convert to fraction form
253,564.48/349,924.35 = 138,847.96/x - Step 3: Cross multiply
253,564.48x = 349,924.35 × 138,847.96 - Step 4: Simplify right side
253,564.48x = 48,586,282,151.83 - Step 5: Solve for x
x = 48,586,282,151.83/253,564.48 - Step 6: Final answer
x = 191,613.12
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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.