Finding the Fourth Proportional to 507,000.09, 699,660.08 and 277,556.66
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Solution
The fourth proportional to 507,000.09, 699,660.08 and 277,556.66 is: 383,028.17
Step by Step Solution
- Step 1: Write the proportion equation
507,000.09 : 699,660.08 = 277,556.66 : x - Step 2: Convert to fraction form
507,000.09/699,660.08 = 277,556.66/x - Step 3: Cross multiply
507,000.09x = 699,660.08 × 277,556.66 - Step 4: Simplify right side
507,000.09x = 194,195,314,940.13 - Step 5: Solve for x
x = 194,195,314,940.13/507,000.09 - Step 6: Final answer
x = 383,028.17
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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.