Finding the Fourth Proportional to 437,187.21, 603,319.74 and 253,461.60
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Solution
The fourth proportional to 437,187.21, 603,319.74 and 253,461.60 is: 349,777.81
Step by Step Solution
- Step 1: Write the proportion equation
437,187.21 : 603,319.74 = 253,461.60 : x - Step 2: Convert to fraction form
437,187.21/603,319.74 = 253,461.60/x - Step 3: Cross multiply
437,187.21x = 603,319.74 × 253,461.60 - Step 4: Simplify right side
437,187.21x = 152,918,386,611.98 - Step 5: Solve for x
x = 152,918,386,611.98/437,187.21 - Step 6: Final answer
x = 349,777.81
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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.