Finding the Fourth Proportional to 323,684.60, 485,526.09 and 87,027.26
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Solution
The fourth proportional to 323,684.60, 485,526.09 and 87,027.26 is: 130,540.67
Step by Step Solution
- Step 1: Write the proportion equation
323,684.60 : 485,526.09 = 87,027.26 : x - Step 2: Convert to fraction form
323,684.60/485,526.09 = 87,027.26/x - Step 3: Cross multiply
323,684.60x = 485,526.09 × 87,027.26 - Step 4: Simplify right side
323,684.60x = 42,254,005,271.21 - Step 5: Solve for x
x = 42,254,005,271.21/323,684.60 - Step 6: Final answer
x = 130,540.67
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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.