Finding the Fourth Proportional to 358,000.12, 536,987.58 and 91,762.84
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Solution
The fourth proportional to 358,000.12, 536,987.58 and 91,762.84 is: 137,641.03
Step by Step Solution
- Step 1: Write the proportion equation
358,000.12 : 536,987.58 = 91,762.84 : x - Step 2: Convert to fraction form
358,000.12/536,987.58 = 91,762.84/x - Step 3: Cross multiply
358,000.12x = 536,987.58 × 91,762.84 - Step 4: Simplify right side
358,000.12x = 49,275,505,385.53 - Step 5: Solve for x
x = 49,275,505,385.53/358,000.12 - Step 6: Final answer
x = 137,641.03
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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.