Finding the Fourth Proportional to 285,700.26, 394,264.16 and 156,637.19
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Solution
The fourth proportional to 285,700.26, 394,264.16 and 156,637.19 is: 216,158.12
Step by Step Solution
- Step 1: Write the proportion equation
285,700.26 : 394,264.16 = 156,637.19 : x - Step 2: Convert to fraction form
285,700.26/394,264.16 = 156,637.19/x - Step 3: Cross multiply
285,700.26x = 394,264.16 × 156,637.19 - Step 4: Simplify right side
285,700.26x = 61,756,430,929.97 - Step 5: Solve for x
x = 61,756,430,929.97/285,700.26 - Step 6: Final answer
x = 216,158.12
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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.