Finding the Fourth Proportional to 165,727.24, 228,703.98 and 90,274.12
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Solution
The fourth proportional to 165,727.24, 228,703.98 and 90,274.12 is: 124,578.50
Step by Step Solution
- Step 1: Write the proportion equation
165,727.24 : 228,703.98 = 90,274.12 : x - Step 2: Convert to fraction form
165,727.24/228,703.98 = 90,274.12/x - Step 3: Cross multiply
165,727.24x = 228,703.98 × 90,274.12 - Step 4: Simplify right side
165,727.24x = 20,646,050,535.00 - Step 5: Solve for x
x = 20,646,050,535.00/165,727.24 - Step 6: Final answer
x = 124,578.50
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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.