Finding the Fourth Proportional to 331,020.14, 455,937.63 and 254,392.62
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Solution
The fourth proportional to 331,020.14, 455,937.63 and 254,392.62 is: 350,393.08
Step by Step Solution
- Step 1: Write the proportion equation
331,020.14 : 455,937.63 = 254,392.62 : x - Step 2: Convert to fraction form
331,020.14/455,937.63 = 254,392.62/x - Step 3: Cross multiply
331,020.14x = 455,937.63 × 254,392.62 - Step 4: Simplify right side
331,020.14x = 115,987,165,588.55 - Step 5: Solve for x
x = 115,987,165,588.55/331,020.14 - Step 6: Final answer
x = 350,393.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.