Finding the Fourth Proportional to 415,184.24, 623,013.36 and 162,485.36
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Solution
The fourth proportional to 415,184.24, 623,013.36 and 162,485.36 is: 243,820.79
Step by Step Solution
- Step 1: Write the proportion equation
415,184.24 : 623,013.36 = 162,485.36 : x - Step 2: Convert to fraction form
415,184.24/623,013.36 = 162,485.36/x - Step 3: Cross multiply
415,184.24x = 623,013.36 × 162,485.36 - Step 4: Simplify right side
415,184.24x = 101,230,550,084.41 - Step 5: Solve for x
x = 101,230,550,084.41/415,184.24 - Step 6: Final answer
x = 243,820.79
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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.