Finding the Fourth Proportional to 350,877.12, 484,215.41 and 214,861.44
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Solution
The fourth proportional to 350,877.12, 484,215.41 and 214,861.44 is: 296,511.84
Step by Step Solution
- Step 1: Write the proportion equation
350,877.12 : 484,215.41 = 214,861.44 : x - Step 2: Convert to fraction form
350,877.12/484,215.41 = 214,861.44/x - Step 3: Cross multiply
350,877.12x = 484,215.41 × 214,861.44 - Step 4: Simplify right side
350,877.12x = 104,039,219,188.48 - Step 5: Solve for x
x = 104,039,219,188.48/350,877.12 - Step 6: Final answer
x = 296,511.84
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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.