Finding the Fourth Proportional to 684,178.80, 1,026,486.90 and 235,187.70
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Solution
The fourth proportional to 684,178.80, 1,026,486.90 and 235,187.70 is: 352,856.73
Step by Step Solution
- Step 1: Write the proportion equation
684,178.80 : 1,026,486.90 = 235,187.70 : x - Step 2: Convert to fraction form
684,178.80/1,026,486.90 = 235,187.70/x - Step 3: Cross multiply
684,178.80x = 1,026,486.90 × 235,187.70 - Step 4: Simplify right side
684,178.80x = 241,417,093,091.13 - Step 5: Solve for x
x = 241,417,093,091.13/684,178.80 - Step 6: Final answer
x = 352,856.73
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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.