Finding the Fourth Proportional to 75,364.90, 113,048.26 and 19,204.97
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Solution
The fourth proportional to 75,364.90, 113,048.26 and 19,204.97 is: 28,807.68
Step by Step Solution
- Step 1: Write the proportion equation
75,364.90 : 113,048.26 = 19,204.97 : x - Step 2: Convert to fraction form
75,364.90/113,048.26 = 19,204.97/x - Step 3: Cross multiply
75,364.90x = 113,048.26 × 19,204.97 - Step 4: Simplify right side
75,364.90x = 2,171,087,828.60 - Step 5: Solve for x
x = 2,171,087,828.60/75,364.90 - Step 6: Final answer
x = 28,807.68
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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.