Finding the Fourth Proportional to 183,031.19, 253,064.99 and 160,305.01
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Solution
The fourth proportional to 183,031.19, 253,064.99 and 160,305.01 is: 221,643.02
Step by Step Solution
- Step 1: Write the proportion equation
183,031.19 : 253,064.99 = 160,305.01 : x - Step 2: Convert to fraction form
183,031.19/253,064.99 = 160,305.01/x - Step 3: Cross multiply
183,031.19x = 253,064.99 × 160,305.01 - Step 4: Simplify right side
183,031.19x = 40,567,585,520.70 - Step 5: Solve for x
x = 40,567,585,520.70/183,031.19 - Step 6: Final answer
x = 221,643.02
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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.