Finding the Fourth Proportional to 338,794.55, 507,514.28 and 203,784.05
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Solution
The fourth proportional to 338,794.55, 507,514.28 and 203,784.05 is: 305,268.53
Step by Step Solution
- Step 1: Write the proportion equation
338,794.55 : 507,514.28 = 203,784.05 : x - Step 2: Convert to fraction form
338,794.55/507,514.28 = 203,784.05/x - Step 3: Cross multiply
338,794.55x = 507,514.28 × 203,784.05 - Step 4: Simplify right side
338,794.55x = 103,423,315,411.23 - Step 5: Solve for x
x = 103,423,315,411.23/338,794.55 - Step 6: Final answer
x = 305,268.53
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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.