Finding the Fourth Proportional to 632,651.68, 948,981.16 and 258,674.68
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Solution
The fourth proportional to 632,651.68, 948,981.16 and 258,674.68 is: 388,013.51
Step by Step Solution
- Step 1: Write the proportion equation
632,651.68 : 948,981.16 = 258,674.68 : x - Step 2: Convert to fraction form
632,651.68/948,981.16 = 258,674.68/x - Step 3: Cross multiply
632,651.68x = 948,981.16 × 258,674.68 - Step 4: Simplify right side
632,651.68x = 245,477,397,889.03 - Step 5: Solve for x
x = 245,477,397,889.03/632,651.68 - Step 6: Final answer
x = 388,013.51
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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.