Finding the Fourth Proportional to 932,296.42, 1,398,515.14 and 258,369.94
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Solution
The fourth proportional to 932,296.42, 1,398,515.14 and 258,369.94 is: 387,574.45
Step by Step Solution
- Step 1: Write the proportion equation
932,296.42 : 1,398,515.14 = 258,369.94 : x - Step 2: Convert to fraction form
932,296.42/1,398,515.14 = 258,369.94/x - Step 3: Cross multiply
932,296.42x = 1,398,515.14 × 258,369.94 - Step 4: Simplify right side
932,296.42x = 361,334,272,810.89 - Step 5: Solve for x
x = 361,334,272,810.89/932,296.42 - Step 6: Final answer
x = 387,574.45
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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.