Finding the Fourth Proportional to 165,368.64, 228,240.40 and 93,748.94
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Solution
The fourth proportional to 165,368.64, 228,240.40 and 93,748.94 is: 129,391.50
Step by Step Solution
- Step 1: Write the proportion equation
165,368.64 : 228,240.40 = 93,748.94 : x - Step 2: Convert to fraction form
165,368.64/228,240.40 = 93,748.94/x - Step 3: Cross multiply
165,368.64x = 228,240.40 × 93,748.94 - Step 4: Simplify right side
165,368.64x = 21,397,295,565.18 - Step 5: Solve for x
x = 21,397,295,565.18/165,368.64 - Step 6: Final answer
x = 129,391.50
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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.