Finding the Fourth Proportional to 120,767.70, 169,424.70 and 120,767.70
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Solution
The fourth proportional to 120,767.70, 169,424.70 and 120,767.70 is: 169,424.70
Step by Step Solution
- Step 1: Write the proportion equation
120,767.70 : 169,424.70 = 120,767.70 : x - Step 2: Convert to fraction form
120,767.70/169,424.70 = 120,767.70/x - Step 3: Cross multiply
120,767.70x = 169,424.70 × 120,767.70 - Step 4: Simplify right side
120,767.70x = 20,461,031,342.19 - Step 5: Solve for x
x = 20,461,031,342.19/120,767.70 - Step 6: Final answer
x = 169,424.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.