Finding the Fourth Proportional to 302,458.20, 453,860.10 and 115,603.80
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Solution
The fourth proportional to 302,458.20, 453,860.10 and 115,603.80 is: 173,471.75
Step by Step Solution
- Step 1: Write the proportion equation
302,458.20 : 453,860.10 = 115,603.80 : x - Step 2: Convert to fraction form
302,458.20/453,860.10 = 115,603.80/x - Step 3: Cross multiply
302,458.20x = 453,860.10 × 115,603.80 - Step 4: Simplify right side
302,458.20x = 52,467,952,228.38 - Step 5: Solve for x
x = 52,467,952,228.38/302,458.20 - Step 6: Final answer
x = 173,471.75
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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.