Finding the Fourth Proportional to 358,790.19, 537,998.44 and 133,965.74
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Solution
The fourth proportional to 358,790.19, 537,998.44 and 133,965.74 is: 200,878.85
Step by Step Solution
- Step 1: Write the proportion equation
358,790.19 : 537,998.44 = 133,965.74 : x - Step 2: Convert to fraction form
358,790.19/537,998.44 = 133,965.74/x - Step 3: Cross multiply
358,790.19x = 537,998.44 × 133,965.74 - Step 4: Simplify right side
358,790.19x = 72,073,359,133.45 - Step 5: Solve for x
x = 72,073,359,133.45/358,790.19 - Step 6: Final answer
x = 200,878.85
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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.