Finding the Fourth Proportional to 234,480.12, 351,720.36 and 56,985.94
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Solution
The fourth proportional to 234,480.12, 351,720.36 and 56,985.94 is: 85,478.95
Step by Step Solution
- Step 1: Write the proportion equation
234,480.12 : 351,720.36 = 56,985.94 : x - Step 2: Convert to fraction form
234,480.12/351,720.36 = 56,985.94/x - Step 3: Cross multiply
234,480.12x = 351,720.36 × 56,985.94 - Step 4: Simplify right side
234,480.12x = 20,043,115,331.74 - Step 5: Solve for x
x = 20,043,115,331.74/234,480.12 - Step 6: Final answer
x = 85,478.95
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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.