Finding the Fourth Proportional to 455,353.08, 682,904.91 and 171,021.63
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Solution
The fourth proportional to 455,353.08, 682,904.91 and 171,021.63 is: 256,485.60
Step by Step Solution
- Step 1: Write the proportion equation
455,353.08 : 682,904.91 = 171,021.63 : x - Step 2: Convert to fraction form
455,353.08/682,904.91 = 171,021.63/x - Step 3: Cross multiply
455,353.08x = 682,904.91 × 171,021.63 - Step 4: Simplify right side
455,353.08x = 116,791,509,242.09 - Step 5: Solve for x
x = 116,791,509,242.09/455,353.08 - Step 6: Final answer
x = 256,485.60
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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.