Finding the Fourth Proportional to 296,421.80, 444,632.70 and 74,805.80
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Solution
The fourth proportional to 296,421.80, 444,632.70 and 74,805.80 is: 112,208.70
Step by Step Solution
- Step 1: Write the proportion equation
296,421.80 : 444,632.70 = 74,805.80 : x - Step 2: Convert to fraction form
296,421.80/444,632.70 = 74,805.80/x - Step 3: Cross multiply
296,421.80x = 444,632.70 × 74,805.80 - Step 4: Simplify right side
296,421.80x = 33,261,104,829.66 - Step 5: Solve for x
x = 33,261,104,829.66/296,421.80 - Step 6: Final answer
x = 112,208.70
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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.