Finding the Fourth Proportional to 358,894.77, 495,309.68 and 268,093.09
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Solution
The fourth proportional to 358,894.77, 495,309.68 and 268,093.09 is: 369,994.53
Step by Step Solution
- Step 1: Write the proportion equation
358,894.77 : 495,309.68 = 268,093.09 : x - Step 2: Convert to fraction form
358,894.77/495,309.68 = 268,093.09/x - Step 3: Cross multiply
358,894.77x = 495,309.68 × 268,093.09 - Step 4: Simplify right side
358,894.77x = 132,789,101,509.07 - Step 5: Solve for x
x = 132,789,101,509.07/358,894.77 - Step 6: Final answer
x = 369,994.53
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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.