Finding the Fourth Proportional to 262,374.24, 393,484.44 and 120,139.08
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Solution
The fourth proportional to 262,374.24, 393,484.44 and 120,139.08 is: 180,173.40
Step by Step Solution
- Step 1: Write the proportion equation
262,374.24 : 393,484.44 = 120,139.08 : x - Step 2: Convert to fraction form
262,374.24/393,484.44 = 120,139.08/x - Step 3: Cross multiply
262,374.24x = 393,484.44 × 120,139.08 - Step 4: Simplify right side
262,374.24x = 47,272,858,615.92 - Step 5: Solve for x
x = 47,272,858,615.92/262,374.24 - Step 6: Final answer
x = 180,173.40
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1.5x scale
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.