Finding the Fourth Proportional to 346,977.70, 485,146.70 and 346,977.70
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Solution
The fourth proportional to 346,977.70, 485,146.70 and 346,977.70 is: 485,146.70
Step by Step Solution
- Step 1: Write the proportion equation
346,977.70 : 485,146.70 = 346,977.70 : x - Step 2: Convert to fraction form
346,977.70/485,146.70 = 346,977.70/x - Step 3: Cross multiply
346,977.70x = 485,146.70 × 346,977.70 - Step 4: Simplify right side
346,977.70x = 168,335,086,128.59 - Step 5: Solve for x
x = 168,335,086,128.59/346,977.70 - Step 6: Final answer
x = 485,146.70
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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.