Finding the Fourth Proportional to 387,107.84, 534,267.52 and 236,292.48
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Solution
The fourth proportional to 387,107.84, 534,267.52 and 236,292.48 is: 326,119.45
Step by Step Solution
- Step 1: Write the proportion equation
387,107.84 : 534,267.52 = 236,292.48 : x - Step 2: Convert to fraction form
387,107.84/534,267.52 = 236,292.48/x - Step 3: Cross multiply
387,107.84x = 534,267.52 × 236,292.48 - Step 4: Simplify right side
387,107.84x = 126,243,397,284.25 - Step 5: Solve for x
x = 126,243,397,284.25/387,107.84 - Step 6: Final answer
x = 326,119.45
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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.