Finding the Fourth Proportional to 315,354.94, 473,094.74 and 115,677.18
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Solution
The fourth proportional to 315,354.94, 473,094.74 and 115,677.18 is: 173,538.63
Step by Step Solution
- Step 1: Write the proportion equation
315,354.94 : 473,094.74 = 115,677.18 : x - Step 2: Convert to fraction form
315,354.94/473,094.74 = 115,677.18/x - Step 3: Cross multiply
315,354.94x = 473,094.74 × 115,677.18 - Step 4: Simplify right side
315,354.94x = 54,726,265,396.03 - Step 5: Solve for x
x = 54,726,265,396.03/315,354.94 - Step 6: Final answer
x = 173,538.63
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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.