Finding the Fourth Proportional to 311,223.15, 466,844.33 and 121,675.95
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Solution
The fourth proportional to 311,223.15, 466,844.33 and 121,675.95 is: 182,517.68
Step by Step Solution
- Step 1: Write the proportion equation
311,223.15 : 466,844.33 = 121,675.95 : x - Step 2: Convert to fraction form
311,223.15/466,844.33 = 121,675.95/x - Step 3: Cross multiply
311,223.15x = 466,844.33 × 121,675.95 - Step 4: Simplify right side
311,223.15x = 56,803,726,746.48 - Step 5: Solve for x
x = 56,803,726,746.48/311,223.15 - Step 6: Final answer
x = 182,517.68
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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.