Finding the Fourth Proportional to 372,690.28, 514,306.02 and 202,921.48
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Solution
The fourth proportional to 372,690.28, 514,306.02 and 202,921.48 is: 280,028.07
Step by Step Solution
- Step 1: Write the proportion equation
372,690.28 : 514,306.02 = 202,921.48 : x - Step 2: Convert to fraction form
372,690.28/514,306.02 = 202,921.48/x - Step 3: Cross multiply
372,690.28x = 514,306.02 × 202,921.48 - Step 4: Simplify right side
372,690.28x = 104,363,738,751.31 - Step 5: Solve for x
x = 104,363,738,751.31/372,690.28 - Step 6: Final answer
x = 280,028.07
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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.