Finding the Fourth Proportional to 284,278.01, 392,297.53 and 155,211.49
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Solution
The fourth proportional to 284,278.01, 392,297.53 and 155,211.49 is: 214,188.52
Step by Step Solution
- Step 1: Write the proportion equation
284,278.01 : 392,297.53 = 155,211.49 : x - Step 2: Convert to fraction form
284,278.01/392,297.53 = 155,211.49/x - Step 3: Cross multiply
284,278.01x = 392,297.53 × 155,211.49 - Step 4: Simplify right side
284,278.01x = 60,889,084,547.98 - Step 5: Solve for x
x = 60,889,084,547.98/284,278.01 - Step 6: Final answer
x = 214,188.52
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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.