Finding the Fourth Proportional to 307,515.02, 461,334.80 and 130,021.75
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Solution
The fourth proportional to 307,515.02, 461,334.80 and 130,021.75 is: 195,058.95
Step by Step Solution
- Step 1: Write the proportion equation
307,515.02 : 461,334.80 = 130,021.75 : x - Step 2: Convert to fraction form
307,515.02/461,334.80 = 130,021.75/x - Step 3: Cross multiply
307,515.02x = 461,334.80 × 130,021.75 - Step 4: Simplify right side
307,515.02x = 59,983,557,203.62 - Step 5: Solve for x
x = 59,983,557,203.62/307,515.02 - Step 6: Final answer
x = 195,058.95
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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.