Finding the Fourth Proportional to 358,374.60, 537,186.86 and 133,644.63
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Solution
The fourth proportional to 358,374.60, 537,186.86 and 133,644.63 is: 200,327.08
Step by Step Solution
- Step 1: Write the proportion equation
358,374.60 : 537,186.86 = 133,644.63 : x - Step 2: Convert to fraction form
358,374.60/537,186.86 = 133,644.63/x - Step 3: Cross multiply
358,374.60x = 537,186.86 × 133,644.63 - Step 4: Simplify right side
358,374.60x = 71,792,138,477.34 - Step 5: Solve for x
x = 71,792,138,477.34/358,374.60 - Step 6: Final answer
x = 200,327.08
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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.