Finding the Fourth Proportional to 315,585.94, 473,425.62 and 115,890.75
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Solution
The fourth proportional to 315,585.94, 473,425.62 and 115,890.75 is: 173,853.28
Step by Step Solution
- Step 1: Write the proportion equation
315,585.94 : 473,425.62 = 115,890.75 : x - Step 2: Convert to fraction form
315,585.94/473,425.62 = 115,890.75/x - Step 3: Cross multiply
315,585.94x = 473,425.62 × 115,890.75 - Step 4: Simplify right side
315,585.94x = 54,865,650,171.02 - Step 5: Solve for x
x = 54,865,650,171.02/315,585.94 - Step 6: Final answer
x = 173,853.28
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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.