Finding the Fourth Proportional to 252,483.64, 348,553.69 and 157,021.09
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Solution
The fourth proportional to 252,483.64, 348,553.69 and 157,021.09 is: 216,767.63
Step by Step Solution
- Step 1: Write the proportion equation
252,483.64 : 348,553.69 = 157,021.09 : x - Step 2: Convert to fraction form
252,483.64/348,553.69 = 157,021.09/x - Step 3: Cross multiply
252,483.64x = 348,553.69 × 157,021.09 - Step 4: Simplify right side
252,483.64x = 54,730,281,465.62 - Step 5: Solve for x
x = 54,730,281,465.62/252,483.64 - Step 6: Final answer
x = 216,767.63
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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.