Finding the Fourth Proportional to 460,212.19, 690,208.92 and 207,336.67
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Solution
The fourth proportional to 460,212.19, 690,208.92 and 207,336.67 is: 310,955.73
Step by Step Solution
- Step 1: Write the proportion equation
460,212.19 : 690,208.92 = 207,336.67 : x - Step 2: Convert to fraction form
460,212.19/690,208.92 = 207,336.67/x - Step 3: Cross multiply
460,212.19x = 690,208.92 × 207,336.67 - Step 4: Simplify right side
460,212.19x = 143,105,619,077.10 - Step 5: Solve for x
x = 143,105,619,077.10/460,212.19 - Step 6: Final answer
x = 310,955.73
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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.