Finding the Fourth Proportional to 315,887.68, 473,761.66 and 91,199.26
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Solution
The fourth proportional to 315,887.68, 473,761.66 and 91,199.26 is: 136,778.72
Step by Step Solution
- Step 1: Write the proportion equation
315,887.68 : 473,761.66 = 91,199.26 : x - Step 2: Convert to fraction form
315,887.68/473,761.66 = 91,199.26/x - Step 3: Cross multiply
315,887.68x = 473,761.66 × 91,199.26 - Step 4: Simplify right side
315,887.68x = 43,206,712,808.37 - Step 5: Solve for x
x = 43,206,712,808.37/315,887.68 - Step 6: Final answer
x = 136,778.72
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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.