Finding the Fourth Proportional to 165,238.20, 228,028.94 and 93,623.06
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Solution
The fourth proportional to 165,238.20, 228,028.94 and 93,623.06 is: 129,199.95
Step by Step Solution
- Step 1: Write the proportion equation
165,238.20 : 228,028.94 = 93,623.06 : x - Step 2: Convert to fraction form
165,238.20/228,028.94 = 93,623.06/x - Step 3: Cross multiply
165,238.20x = 228,028.94 × 93,623.06 - Step 4: Simplify right side
165,238.20x = 21,348,767,131.36 - Step 5: Solve for x
x = 21,348,767,131.36/165,238.20 - Step 6: Final answer
x = 129,199.95
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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.