Finding the Fourth Proportional to 742,212.99, 1,113,364.40 and 209,773.85
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Solution
The fourth proportional to 742,212.99, 1,113,364.40 and 209,773.85 is: 314,673.46
Step by Step Solution
- Step 1: Write the proportion equation
742,212.99 : 1,113,364.40 = 209,773.85 : x - Step 2: Convert to fraction form
742,212.99/1,113,364.40 = 209,773.85/x - Step 3: Cross multiply
742,212.99x = 1,113,364.40 × 209,773.85 - Step 4: Simplify right side
742,212.99x = 233,554,730,025.25 - Step 5: Solve for x
x = 233,554,730,025.25/742,212.99 - Step 6: Final answer
x = 314,673.46
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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.