Finding the Fourth Proportional to 315,377.73, 473,128.92 and 115,699.95
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Solution
The fourth proportional to 315,377.73, 473,128.92 and 115,699.95 is: 173,572.79
Step by Step Solution
- Step 1: Write the proportion equation
315,377.73 : 473,128.92 = 115,699.95 : x - Step 2: Convert to fraction form
315,377.73/473,128.92 = 115,699.95/x - Step 3: Cross multiply
315,377.73x = 473,128.92 × 115,699.95 - Step 4: Simplify right side
315,377.73x = 54,740,992,387.55 - Step 5: Solve for x
x = 54,740,992,387.55/315,377.73 - Step 6: Final answer
x = 173,572.79
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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.