Finding the Fourth Proportional to 307,453.61, 461,320.53 and 157,798.99
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Solution
The fourth proportional to 307,453.61, 461,320.53 and 157,798.99 is: 236,770.40
Step by Step Solution
- Step 1: Write the proportion equation
307,453.61 : 461,320.53 = 157,798.99 : x - Step 2: Convert to fraction form
307,453.61/461,320.53 = 157,798.99/x - Step 3: Cross multiply
307,453.61x = 461,320.53 × 157,798.99 - Step 4: Simplify right side
307,453.61x = 72,795,913,700.26 - Step 5: Solve for x
x = 72,795,913,700.26/307,453.61 - Step 6: Final answer
x = 236,770.40
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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.