Finding the Fourth Proportional to 358,855.74, 538,265.71 and 134,199.66
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Solution
The fourth proportional to 358,855.74, 538,265.71 and 134,199.66 is: 201,292.80
Step by Step Solution
- Step 1: Write the proportion equation
358,855.74 : 538,265.71 = 134,199.66 : x - Step 2: Convert to fraction form
358,855.74/538,265.71 = 134,199.66/x - Step 3: Cross multiply
358,855.74x = 538,265.71 × 134,199.66 - Step 4: Simplify right side
358,855.74x = 72,235,075,271.66 - Step 5: Solve for x
x = 72,235,075,271.66/358,855.74 - Step 6: Final answer
x = 201,292.80
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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.