Finding the Fourth Proportional to 297,329.76, 445,998.29 and 86,971.95
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Solution
The fourth proportional to 297,329.76, 445,998.29 and 86,971.95 is: 130,458.99
Step by Step Solution
- Step 1: Write the proportion equation
297,329.76 : 445,998.29 = 86,971.95 : x - Step 2: Convert to fraction form
297,329.76/445,998.29 = 86,971.95/x - Step 3: Cross multiply
297,329.76x = 445,998.29 × 86,971.95 - Step 4: Simplify right side
297,329.76x = 38,789,340,543.11 - Step 5: Solve for x
x = 38,789,340,543.11/297,329.76 - Step 6: Final answer
x = 130,458.99
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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.