Finding the Fourth Proportional to 455,418.16, 683,207.52 and 155,828.32
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Solution
The fourth proportional to 455,418.16, 683,207.52 and 155,828.32 is: 233,769.95
Step by Step Solution
- Step 1: Write the proportion equation
455,418.16 : 683,207.52 = 155,828.32 : x - Step 2: Convert to fraction form
455,418.16/683,207.52 = 155,828.32/x - Step 3: Cross multiply
455,418.16x = 683,207.52 × 155,828.32 - Step 4: Simplify right side
455,418.16x = 106,463,080,052.97 - Step 5: Solve for x
x = 106,463,080,052.97/455,418.16 - Step 6: Final answer
x = 233,769.95
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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.