Finding the Fourth Proportional to 347,472.70, 521,209.05 and 341,567.80
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Solution
The fourth proportional to 347,472.70, 521,209.05 and 341,567.80 is: 512,351.70
Step by Step Solution
- Step 1: Write the proportion equation
347,472.70 : 521,209.05 = 341,567.80 : x - Step 2: Convert to fraction form
347,472.70/521,209.05 = 341,567.80/x - Step 3: Cross multiply
347,472.70x = 521,209.05 × 341,567.80 - Step 4: Simplify right side
347,472.70x = 178,028,228,548.59 - Step 5: Solve for x
x = 178,028,228,548.59/347,472.70 - Step 6: Final answer
x = 512,351.70
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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.