Finding the Fourth Proportional to 302,303.80, 453,455.70 and 269,644.60
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Solution
The fourth proportional to 302,303.80, 453,455.70 and 269,644.60 is: 404,466.90
Step by Step Solution
- Step 1: Write the proportion equation
302,303.80 : 453,455.70 = 269,644.60 : x - Step 2: Convert to fraction form
302,303.80/453,455.70 = 269,644.60/x - Step 3: Cross multiply
302,303.80x = 453,455.70 × 269,644.60 - Step 4: Simplify right side
302,303.80x = 122,271,880,844.22 - Step 5: Solve for x
x = 122,271,880,844.22/302,303.80 - Step 6: Final answer
x = 404,466.90
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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.