Finding the Fourth Proportional to 330,623.07, 455,837.44 and 214,130.71
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Solution
The fourth proportional to 330,623.07, 455,837.44 and 214,130.71 is: 295,226.81
Step by Step Solution
- Step 1: Write the proportion equation
330,623.07 : 455,837.44 = 214,130.71 : x - Step 2: Convert to fraction form
330,623.07/455,837.44 = 214,130.71/x - Step 3: Cross multiply
330,623.07x = 455,837.44 × 214,130.71 - Step 4: Simplify right side
330,623.07x = 97,608,794,671.78 - Step 5: Solve for x
x = 97,608,794,671.78/330,623.07 - Step 6: Final answer
x = 295,226.81
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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.