Finding the Fourth Proportional to 507,487.24, 700,375.08 and 281,153.80
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Solution
The fourth proportional to 507,487.24, 700,375.08 and 281,153.80 is: 388,015.89
Step by Step Solution
- Step 1: Write the proportion equation
507,487.24 : 700,375.08 = 281,153.80 : x - Step 2: Convert to fraction form
507,487.24/700,375.08 = 281,153.80/x - Step 3: Cross multiply
507,487.24x = 700,375.08 × 281,153.80 - Step 4: Simplify right side
507,487.24x = 196,913,115,167.30 - Step 5: Solve for x
x = 196,913,115,167.30/507,487.24 - Step 6: Final answer
x = 388,015.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.