Finding the Fourth Proportional to 284,657.04, 392,847.09 and 157,329.90
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Solution
The fourth proportional to 284,657.04, 392,847.09 and 157,329.90 is: 217,126.52
Step by Step Solution
- Step 1: Write the proportion equation
284,657.04 : 392,847.09 = 157,329.90 : x - Step 2: Convert to fraction form
284,657.04/392,847.09 = 157,329.90/x - Step 3: Cross multiply
284,657.04x = 392,847.09 × 157,329.90 - Step 4: Simplify right side
284,657.04x = 61,806,593,384.99 - Step 5: Solve for x
x = 61,806,593,384.99/284,657.04 - Step 6: Final answer
x = 217,126.52
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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.