Finding the Fourth Proportional to 307,453.36, 461,320.16 and 157,798.74
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Solution
The fourth proportional to 307,453.36, 461,320.16 and 157,798.74 is: 236,770.03
Step by Step Solution
- Step 1: Write the proportion equation
307,453.36 : 461,320.16 = 157,798.74 : x - Step 2: Convert to fraction form
307,453.36/461,320.16 = 157,798.74/x - Step 3: Cross multiply
307,453.36x = 461,320.16 × 157,798.74 - Step 4: Simplify right side
307,453.36x = 72,795,739,984.60 - Step 5: Solve for x
x = 72,795,739,984.60/307,453.36 - Step 6: Final answer
x = 236,770.03
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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.