Finding the Fourth Proportional to 375,514.16, 518,207.41 and 203,435.48
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Solution
The fourth proportional to 375,514.16, 518,207.41 and 203,435.48 is: 280,739.81
Step by Step Solution
- Step 1: Write the proportion equation
375,514.16 : 518,207.41 = 203,435.48 : x - Step 2: Convert to fraction form
375,514.16/518,207.41 = 203,435.48/x - Step 3: Cross multiply
375,514.16x = 518,207.41 × 203,435.48 - Step 4: Simplify right side
375,514.16x = 105,421,773,598.40 - Step 5: Solve for x
x = 105,421,773,598.40/375,514.16 - Step 6: Final answer
x = 280,739.81
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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.