Finding the Fourth Proportional to 330,102.05, 495,317.10 and 130,428.95
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Solution
The fourth proportional to 330,102.05, 495,317.10 and 130,428.95 is: 195,708.23
Step by Step Solution
- Step 1: Write the proportion equation
330,102.05 : 495,317.10 = 130,428.95 : x - Step 2: Convert to fraction form
330,102.05/495,317.10 = 130,428.95/x - Step 3: Cross multiply
330,102.05x = 495,317.10 × 130,428.95 - Step 4: Simplify right side
330,102.05x = 64,603,689,270.05 - Step 5: Solve for x
x = 64,603,689,270.05/330,102.05 - Step 6: Final answer
x = 195,708.23
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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.