Finding the Fourth Proportional to 393,271.24, 590,701.74 and 235,798.60
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Solution
The fourth proportional to 393,271.24, 590,701.74 and 235,798.60 is: 354,174.50
Step by Step Solution
- Step 1: Write the proportion equation
393,271.24 : 590,701.74 = 235,798.60 : x - Step 2: Convert to fraction form
393,271.24/590,701.74 = 235,798.60/x - Step 3: Cross multiply
393,271.24x = 590,701.74 × 235,798.60 - Step 4: Simplify right side
393,271.24x = 139,286,643,309.56 - Step 5: Solve for x
x = 139,286,643,309.56/393,271.24 - Step 6: Final answer
x = 354,174.50
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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.