Finding the Fourth Proportional to 315,936.91, 473,657.50 and 158,268.79
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Solution
The fourth proportional to 315,936.91, 473,657.50 and 158,268.79 is: 237,279.02
Step by Step Solution
- Step 1: Write the proportion equation
315,936.91 : 473,657.50 = 158,268.79 : x - Step 2: Convert to fraction form
315,936.91/473,657.50 = 158,268.79/x - Step 3: Cross multiply
315,936.91x = 473,657.50 × 158,268.79 - Step 4: Simplify right side
315,936.91x = 74,965,199,399.43 - Step 5: Solve for x
x = 74,965,199,399.43/315,936.91 - Step 6: Final answer
x = 237,279.02
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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.