Finding the Fourth Proportional to 330,503.76, 495,751.68 and 120,139.92
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Solution
The fourth proportional to 330,503.76, 495,751.68 and 120,139.92 is: 180,208.44
Step by Step Solution
- Step 1: Write the proportion equation
330,503.76 : 495,751.68 = 120,139.92 : x - Step 2: Convert to fraction form
330,503.76/495,751.68 = 120,139.92/x - Step 3: Cross multiply
330,503.76x = 495,751.68 × 120,139.92 - Step 4: Simplify right side
330,503.76x = 59,559,567,175.07 - Step 5: Solve for x
x = 59,559,567,175.07/330,503.76 - Step 6: Final answer
x = 180,208.44
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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.