Finding the Fourth Proportional to 315,422.70, 471,982.05 and 232,478.70
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Solution
The fourth proportional to 315,422.70, 471,982.05 and 232,478.70 is: 347,868.98
Step by Step Solution
- Step 1: Write the proportion equation
315,422.70 : 471,982.05 = 232,478.70 : x - Step 2: Convert to fraction form
315,422.70/471,982.05 = 232,478.70/x - Step 3: Cross multiply
315,422.70x = 471,982.05 × 232,478.70 - Step 4: Simplify right side
315,422.70x = 109,725,773,407.34 - Step 5: Solve for x
x = 109,725,773,407.34/315,422.70 - Step 6: Final answer
x = 347,868.98
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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.