Finding the Fourth Proportional to 367,911.90, 507,902.14 and 240,781.68
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Solution
The fourth proportional to 367,911.90, 507,902.14 and 240,781.68 is: 332,398.95
Step by Step Solution
- Step 1: Write the proportion equation
367,911.90 : 507,902.14 = 240,781.68 : x - Step 2: Convert to fraction form
367,911.90/507,902.14 = 240,781.68/x - Step 3: Cross multiply
367,911.90x = 507,902.14 × 240,781.68 - Step 4: Simplify right side
367,911.90x = 122,293,530,544.80 - Step 5: Solve for x
x = 122,293,530,544.80/367,911.90 - Step 6: Final answer
x = 332,398.95
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1.5x scale
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.