Finding the Fourth Proportional to 216,475.77, 324,358.68 and 152,985.80
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Solution
The fourth proportional to 216,475.77, 324,358.68 and 152,985.80 is: 229,227.84
Step by Step Solution
- Step 1: Write the proportion equation
216,475.77 : 324,358.68 = 152,985.80 : x - Step 2: Convert to fraction form
216,475.77/324,358.68 = 152,985.80/x - Step 3: Cross multiply
216,475.77x = 324,358.68 × 152,985.80 - Step 4: Simplify right side
216,475.77x = 49,622,272,146.74 - Step 5: Solve for x
x = 49,622,272,146.74/216,475.77 - Step 6: Final answer
x = 229,227.84
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.