Finding the Fourth Proportional to 284,576.04, 392,709.36 and 157,248.84
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Solution
The fourth proportional to 284,576.04, 392,709.36 and 157,248.84 is: 217,000.32
Step by Step Solution
- Step 1: Write the proportion equation
284,576.04 : 392,709.36 = 157,248.84 : x - Step 2: Convert to fraction form
284,576.04/392,709.36 = 157,248.84/x - Step 3: Cross multiply
284,576.04x = 392,709.36 × 157,248.84 - Step 4: Simplify right side
284,576.04x = 61,753,091,317.14 - Step 5: Solve for x
x = 61,753,091,317.14/284,576.04 - Step 6: Final answer
x = 217,000.32
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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.