Finding the Fourth Proportional to 165,861.98, 228,748.68 and 140,146.52
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Solution
The fourth proportional to 165,861.98, 228,748.68 and 140,146.52 is: 193,283.18
Step by Step Solution
- Step 1: Write the proportion equation
165,861.98 : 228,748.68 = 140,146.52 : x - Step 2: Convert to fraction form
165,861.98/228,748.68 = 140,146.52/x - Step 3: Cross multiply
165,861.98x = 228,748.68 × 140,146.52 - Step 4: Simplify right side
165,861.98x = 32,058,331,456.59 - Step 5: Solve for x
x = 32,058,331,456.59/165,861.98 - Step 6: Final answer
x = 193,283.18
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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.