Finding the Fourth Proportional to 234,272.79, 351,409.17 and 56,779.80
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Solution
The fourth proportional to 234,272.79, 351,409.17 and 56,779.80 is: 85,169.70
Step by Step Solution
- Step 1: Write the proportion equation
234,272.79 : 351,409.17 = 56,779.80 : x - Step 2: Convert to fraction form
234,272.79/351,409.17 = 56,779.80/x - Step 3: Cross multiply
234,272.79x = 351,409.17 × 56,779.80 - Step 4: Simplify right side
234,272.79x = 19,952,942,943.20 - Step 5: Solve for x
x = 19,952,942,943.20/234,272.79 - Step 6: Final answer
x = 85,169.70
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1.5x scale
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.