Finding the Fourth Proportional to 261,430.20, 392,534.10 and 202,332.60
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Solution
The fourth proportional to 261,430.20, 392,534.10 and 202,332.60 is: 303,799.81
Step by Step Solution
- Step 1: Write the proportion equation
261,430.20 : 392,534.10 = 202,332.60 : x - Step 2: Convert to fraction form
261,430.20/392,534.10 = 202,332.60/x - Step 3: Cross multiply
261,430.20x = 392,534.10 × 202,332.60 - Step 4: Simplify right side
261,430.20x = 79,422,445,041.66 - Step 5: Solve for x
x = 79,422,445,041.66/261,430.20 - Step 6: Final answer
x = 303,799.81
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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.