Finding the Fourth Proportional to 315,826.08, 473,739.12 and 157,895.52
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Solution
The fourth proportional to 315,826.08, 473,739.12 and 157,895.52 is: 236,843.28
Step by Step Solution
- Step 1: Write the proportion equation
315,826.08 : 473,739.12 = 157,895.52 : x - Step 2: Convert to fraction form
315,826.08/473,739.12 = 157,895.52/x - Step 3: Cross multiply
315,826.08x = 473,739.12 × 157,895.52 - Step 4: Simplify right side
315,826.08x = 74,801,284,696.74 - Step 5: Solve for x
x = 74,801,284,696.74/315,826.08 - Step 6: Final answer
x = 236,843.28
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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.