Finding the Fourth Proportional to 632,283.12, 948,419.64 and 258,043.68
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Solution
The fourth proportional to 632,283.12, 948,419.64 and 258,043.68 is: 387,063.46
Step by Step Solution
- Step 1: Write the proportion equation
632,283.12 : 948,419.64 = 258,043.68 : x - Step 2: Convert to fraction form
632,283.12/948,419.64 = 258,043.68/x - Step 3: Cross multiply
632,283.12x = 948,419.64 × 258,043.68 - Step 4: Simplify right side
632,283.12x = 244,733,694,089.88 - Step 5: Solve for x
x = 244,733,694,089.88/632,283.12 - Step 6: Final answer
x = 387,063.46
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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.