Finding the Fourth Proportional to 121,460.12, 183,115.07 and 112,898.02
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Solution
The fourth proportional to 121,460.12, 183,115.07 and 112,898.02 is: 170,206.72
Step by Step Solution
- Step 1: Write the proportion equation
121,460.12 : 183,115.07 = 112,898.02 : x - Step 2: Convert to fraction form
121,460.12/183,115.07 = 112,898.02/x - Step 3: Cross multiply
121,460.12x = 183,115.07 × 112,898.02 - Step 4: Simplify right side
121,460.12x = 20,673,328,835.16 - Step 5: Solve for x
x = 20,673,328,835.16/121,460.12 - Step 6: Final answer
x = 170,206.72
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.