Finding the Fourth Proportional to 141,973.28, 212,913.87 and 47,177.99
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Solution
The fourth proportional to 141,973.28, 212,913.87 and 47,177.99 is: 70,751.69
Step by Step Solution
- Step 1: Write the proportion equation
141,973.28 : 212,913.87 = 47,177.99 : x - Step 2: Convert to fraction form
141,973.28/212,913.87 = 47,177.99/x - Step 3: Cross multiply
141,973.28x = 212,913.87 × 47,177.99 - Step 4: Simplify right side
141,973.28x = 10,044,849,184.30 - Step 5: Solve for x
x = 10,044,849,184.30/141,973.28 - Step 6: Final answer
x = 70,751.69
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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.