Finding the Fourth Proportional to 742,195.71, 1,113,474.87 and 236,756.66
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Solution
The fourth proportional to 742,195.71, 1,113,474.87 and 236,756.66 is: 355,192.82
Step by Step Solution
- Step 1: Write the proportion equation
742,195.71 : 1,113,474.87 = 236,756.66 : x - Step 2: Convert to fraction form
742,195.71/1,113,474.87 = 236,756.66/x - Step 3: Cross multiply
742,195.71x = 1,113,474.87 × 236,756.66 - Step 4: Simplify right side
742,195.71x = 263,622,585,647.76 - Step 5: Solve for x
x = 263,622,585,647.76/742,195.71 - Step 6: Final answer
x = 355,192.82
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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.