Finding the Fourth Proportional to 358,295.60, 537,425.68 and 133,638.52
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Solution
The fourth proportional to 358,295.60, 537,425.68 and 133,638.52 is: 200,451.17
Step by Step Solution
- Step 1: Write the proportion equation
358,295.60 : 537,425.68 = 133,638.52 : x - Step 2: Convert to fraction form
358,295.60/537,425.68 = 133,638.52/x - Step 3: Cross multiply
358,295.60x = 537,425.68 × 133,638.52 - Step 4: Simplify right side
358,295.60x = 71,820,772,485.19 - Step 5: Solve for x
x = 71,820,772,485.19/358,295.60 - Step 6: Final answer
x = 200,451.17
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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.