Finding the Fourth Proportional to 121,553.08, 182,315.94 and 46,620.65
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Solution
The fourth proportional to 121,553.08, 182,315.94 and 46,620.65 is: 69,925.73
Step by Step Solution
- Step 1: Write the proportion equation
121,553.08 : 182,315.94 = 46,620.65 : x - Step 2: Convert to fraction form
121,553.08/182,315.94 = 46,620.65/x - Step 3: Cross multiply
121,553.08x = 182,315.94 × 46,620.65 - Step 4: Simplify right side
121,553.08x = 8,499,688,258.78 - Step 5: Solve for x
x = 8,499,688,258.78/121,553.08 - Step 6: Final answer
x = 69,925.73
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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.