Finding the Fourth Proportional to 372,775.01, 514,405.04 and 219,805.79
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Solution
The fourth proportional to 372,775.01, 514,405.04 and 219,805.79 is: 303,317.55
Step by Step Solution
- Step 1: Write the proportion equation
372,775.01 : 514,405.04 = 219,805.79 : x - Step 2: Convert to fraction form
372,775.01/514,405.04 = 219,805.79/x - Step 3: Cross multiply
372,775.01x = 514,405.04 × 219,805.79 - Step 4: Simplify right side
372,775.01x = 113,069,202,526.13 - Step 5: Solve for x
x = 113,069,202,526.13/372,775.01 - Step 6: Final answer
x = 303,317.55
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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.