Finding the Fourth Proportional to 249,199.99, 343,776.22 and 163,121.05
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Solution
The fourth proportional to 249,199.99, 343,776.22 and 163,121.05 is: 225,028.65
Step by Step Solution
- Step 1: Write the proportion equation
249,199.99 : 343,776.22 = 163,121.05 : x - Step 2: Convert to fraction form
249,199.99/343,776.22 = 163,121.05/x - Step 3: Cross multiply
249,199.99x = 343,776.22 × 163,121.05 - Step 4: Simplify right side
249,199.99x = 56,077,137,993.35 - Step 5: Solve for x
x = 56,077,137,993.35/249,199.99 - Step 6: Final answer
x = 225,028.65
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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.