Finding the Fourth Proportional to 372,829.42, 514,328.70 and 252,012.88
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Solution
The fourth proportional to 372,829.42, 514,328.70 and 252,012.88 is: 347,658.88
Step by Step Solution
- Step 1: Write the proportion equation
372,829.42 : 514,328.70 = 252,012.88 : x - Step 2: Convert to fraction form
372,829.42/514,328.70 = 252,012.88/x - Step 3: Cross multiply
372,829.42x = 514,328.70 × 252,012.88 - Step 4: Simplify right side
372,829.42x = 129,617,456,953.66 - Step 5: Solve for x
x = 129,617,456,953.66/372,829.42 - Step 6: Final answer
x = 347,658.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.