Finding the Fourth Proportional to 252,484.18, 348,554.42 and 157,021.63
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Solution
The fourth proportional to 252,484.18, 348,554.42 and 157,021.63 is: 216,768.37
Step by Step Solution
- Step 1: Write the proportion equation
252,484.18 : 348,554.42 = 157,021.63 : x - Step 2: Convert to fraction form
252,484.18/348,554.42 = 157,021.63/x - Step 3: Cross multiply
252,484.18x = 348,554.42 × 157,021.63 - Step 4: Simplify right side
252,484.18x = 54,730,581,821.89 - Step 5: Solve for x
x = 54,730,581,821.89/252,484.18 - Step 6: Final answer
x = 216,768.37
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1.5x scale
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.