Finding the Fourth Proportional to 284,637.30, 426,824.70 and 84,905.88
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Solution
The fourth proportional to 284,637.30, 426,824.70 and 84,905.88 is: 127,319.67
Step by Step Solution
- Step 1: Write the proportion equation
284,637.30 : 426,824.70 = 84,905.88 : x - Step 2: Convert to fraction form
284,637.30/426,824.70 = 84,905.88/x - Step 3: Cross multiply
284,637.30x = 426,824.70 × 84,905.88 - Step 4: Simplify right side
284,637.30x = 36,239,926,759.24 - Step 5: Solve for x
x = 36,239,926,759.24/284,637.30 - Step 6: Final answer
x = 127,319.67
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.