Finding the Fourth Proportional to 284,482.16, 392,584.12 and 157,157.80
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Solution
The fourth proportional to 284,482.16, 392,584.12 and 157,157.80 is: 216,877.07
Step by Step Solution
- Step 1: Write the proportion equation
284,482.16 : 392,584.12 = 157,157.80 : x - Step 2: Convert to fraction form
284,482.16/392,584.12 = 157,157.80/x - Step 3: Cross multiply
284,482.16x = 392,584.12 × 157,157.80 - Step 4: Simplify right side
284,482.16x = 61,697,656,614.14 - Step 5: Solve for x
x = 61,697,656,614.14/284,482.16 - Step 6: Final answer
x = 216,877.07
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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.