Finding the Fourth Proportional to 358,002.12, 536,990.58 and 91,764.84
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Solution
The fourth proportional to 358,002.12, 536,990.58 and 91,764.84 is: 137,644.03
Step by Step Solution
- Step 1: Write the proportion equation
358,002.12 : 536,990.58 = 91,764.84 : x - Step 2: Convert to fraction form
358,002.12/536,990.58 = 91,764.84/x - Step 3: Cross multiply
358,002.12x = 536,990.58 × 91,764.84 - Step 4: Simplify right side
358,002.12x = 49,276,854,655.21 - Step 5: Solve for x
x = 49,276,854,655.21/358,002.12 - Step 6: Final answer
x = 137,644.03
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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.