Finding the Fourth Proportional to 372,822.56, 514,501.12 and 203,056.68
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Solution
The fourth proportional to 372,822.56, 514,501.12 and 203,056.68 is: 280,221.48
Step by Step Solution
- Step 1: Write the proportion equation
372,822.56 : 514,501.12 = 203,056.68 : x - Step 2: Convert to fraction form
372,822.56/514,501.12 = 203,056.68/x - Step 3: Cross multiply
372,822.56x = 514,501.12 × 203,056.68 - Step 4: Simplify right side
372,822.56x = 104,472,889,283.48 - Step 5: Solve for x
x = 104,472,889,283.48/372,822.56 - Step 6: Final answer
x = 280,221.48
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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.