Finding the Fourth Proportional to 315,625.80, 473,438.70 and 94,009.80
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Solution
The fourth proportional to 315,625.80, 473,438.70 and 94,009.80 is: 141,014.70
Step by Step Solution
- Step 1: Write the proportion equation
315,625.80 : 473,438.70 = 94,009.80 : x - Step 2: Convert to fraction form
315,625.80/473,438.70 = 94,009.80/x - Step 3: Cross multiply
315,625.80x = 473,438.70 × 94,009.80 - Step 4: Simplify right side
315,625.80x = 44,507,877,499.26 - Step 5: Solve for x
x = 44,507,877,499.26/315,625.80 - Step 6: Final answer
x = 141,014.70
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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.