Finding the Fourth Proportional to 253,207.08, 349,097.04 and 157,542.84
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Solution
The fourth proportional to 253,207.08, 349,097.04 and 157,542.84 is: 217,204.59
Step by Step Solution
- Step 1: Write the proportion equation
253,207.08 : 349,097.04 = 157,542.84 : x - Step 2: Convert to fraction form
253,207.08/349,097.04 = 157,542.84/x - Step 3: Cross multiply
253,207.08x = 349,097.04 × 157,542.84 - Step 4: Simplify right side
253,207.08x = 54,997,739,117.19 - Step 5: Solve for x
x = 54,997,739,117.19/253,207.08 - Step 6: Final answer
x = 217,204.59
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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.