Finding the Fourth Proportional to 358,963.84, 538,102.88 and 134,263.36
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Solution
The fourth proportional to 358,963.84, 538,102.88 and 134,263.36 is: 201,266.79
Step by Step Solution
- Step 1: Write the proportion equation
358,963.84 : 538,102.88 = 134,263.36 : x - Step 2: Convert to fraction form
358,963.84/538,102.88 = 134,263.36/x - Step 3: Cross multiply
358,963.84x = 538,102.88 × 134,263.36 - Step 4: Simplify right side
358,963.84x = 72,247,500,694.48 - Step 5: Solve for x
x = 72,247,500,694.48/358,963.84 - Step 6: Final answer
x = 201,266.79
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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.