Finding the Fourth Proportional to 152,646.10, 210,664.56 and 84,684.99
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Solution
The fourth proportional to 152,646.10, 210,664.56 and 84,684.99 is: 116,872.47
Step by Step Solution
- Step 1: Write the proportion equation
152,646.10 : 210,664.56 = 84,684.99 : x - Step 2: Convert to fraction form
152,646.10/210,664.56 = 84,684.99/x - Step 3: Cross multiply
152,646.10x = 210,664.56 × 84,684.99 - Step 4: Simplify right side
152,646.10x = 17,840,126,156.95 - Step 5: Solve for x
x = 17,840,126,156.95/152,646.10 - Step 6: Final answer
x = 116,872.47
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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.