Finding the Fourth Proportional to 358,124.58, 536,715.99 and 147,645.54
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Solution
The fourth proportional to 358,124.58, 536,715.99 and 147,645.54 is: 221,274.18
Step by Step Solution
- Step 1: Write the proportion equation
358,124.58 : 536,715.99 = 147,645.54 : x - Step 2: Convert to fraction form
358,124.58/536,715.99 = 147,645.54/x - Step 3: Cross multiply
358,124.58x = 536,715.99 × 147,645.54 - Step 4: Simplify right side
358,124.58x = 79,243,722,170.18 - Step 5: Solve for x
x = 79,243,722,170.18/358,124.58 - Step 6: Final answer
x = 221,274.18
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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.