Finding the Fourth Proportional to 159,549.20, 239,323.80 and 97,341.20
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Solution
The fourth proportional to 159,549.20, 239,323.80 and 97,341.20 is: 146,011.80
Step by Step Solution
- Step 1: Write the proportion equation
159,549.20 : 239,323.80 = 97,341.20 : x - Step 2: Convert to fraction form
159,549.20/239,323.80 = 97,341.20/x - Step 3: Cross multiply
159,549.20x = 239,323.80 × 97,341.20 - Step 4: Simplify right side
159,549.20x = 23,296,065,880.56 - Step 5: Solve for x
x = 23,296,065,880.56/159,549.20 - Step 6: Final answer
x = 146,011.80
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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.