Finding the Fourth Proportional to 316,793.18, 475,260.68 and 106,425.38
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Solution
The fourth proportional to 316,793.18, 475,260.68 and 106,425.38 is: 159,661.89
Step by Step Solution
- Step 1: Write the proportion equation
316,793.18 : 475,260.68 = 106,425.38 : x - Step 2: Convert to fraction form
316,793.18/475,260.68 = 106,425.38/x - Step 3: Cross multiply
316,793.18x = 475,260.68 × 106,425.38 - Step 4: Simplify right side
316,793.18x = 50,579,798,468.06 - Step 5: Solve for x
x = 50,579,798,468.06/316,793.18 - Step 6: Final answer
x = 159,661.89
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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.