Finding the Fourth Proportional to 336,122.70, 470,921.70 and 336,122.70
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Solution
The fourth proportional to 336,122.70, 470,921.70 and 336,122.70 is: 470,921.70
Step by Step Solution
- Step 1: Write the proportion equation
336,122.70 : 470,921.70 = 336,122.70 : x - Step 2: Convert to fraction form
336,122.70/470,921.70 = 336,122.70/x - Step 3: Cross multiply
336,122.70x = 470,921.70 × 336,122.70 - Step 4: Simplify right side
336,122.70x = 158,287,473,292.59 - Step 5: Solve for x
x = 158,287,473,292.59/336,122.70 - Step 6: Final answer
x = 470,921.70
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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.