Finding the Fourth Proportional to 386,973.48, 580,463.46 and 106,506.12
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Solution
The fourth proportional to 386,973.48, 580,463.46 and 106,506.12 is: 159,760.07
Step by Step Solution
- Step 1: Write the proportion equation
386,973.48 : 580,463.46 = 106,506.12 : x - Step 2: Convert to fraction form
386,973.48/580,463.46 = 106,506.12/x - Step 3: Cross multiply
386,973.48x = 580,463.46 × 106,506.12 - Step 4: Simplify right side
386,973.48x = 61,822,910,926.38 - Step 5: Solve for x
x = 61,822,910,926.38/386,973.48 - Step 6: Final answer
x = 159,760.07
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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.