Finding the Fourth Proportional to 367,775.40, 551,663.10 and 131,125.80
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Solution
The fourth proportional to 367,775.40, 551,663.10 and 131,125.80 is: 196,688.70
Step by Step Solution
- Step 1: Write the proportion equation
367,775.40 : 551,663.10 = 131,125.80 : x - Step 2: Convert to fraction form
367,775.40/551,663.10 = 131,125.80/x - Step 3: Cross multiply
367,775.40x = 551,663.10 × 131,125.80 - Step 4: Simplify right side
367,775.40x = 72,337,265,317.98 - Step 5: Solve for x
x = 72,337,265,317.98/367,775.40 - Step 6: Final answer
x = 196,688.70
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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.