Finding the Fourth Proportional to 558,816.21, 838,349.34 and 203,830.26
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Solution
The fourth proportional to 558,816.21, 838,349.34 and 203,830.26 is: 305,790.99
Step by Step Solution
- Step 1: Write the proportion equation
558,816.21 : 838,349.34 = 203,830.26 : x - Step 2: Convert to fraction form
558,816.21/838,349.34 = 203,830.26/x - Step 3: Cross multiply
558,816.21x = 838,349.34 × 203,830.26 - Step 4: Simplify right side
558,816.21x = 170,880,963,943.03 - Step 5: Solve for x
x = 170,880,963,943.03/558,816.21 - Step 6: Final answer
x = 305,790.99
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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.