Finding the Fourth Proportional to 211,643.16, 292,072.95 and 116,149.02
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Solution
The fourth proportional to 211,643.16, 292,072.95 and 116,149.02 is: 160,288.61
Step by Step Solution
- Step 1: Write the proportion equation
211,643.16 : 292,072.95 = 116,149.02 : x - Step 2: Convert to fraction form
211,643.16/292,072.95 = 116,149.02/x - Step 3: Cross multiply
211,643.16x = 292,072.95 × 116,149.02 - Step 4: Simplify right side
211,643.16x = 33,923,986,911.01 - Step 5: Solve for x
x = 33,923,986,911.01/211,643.16 - Step 6: Final answer
x = 160,288.61
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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.