Finding the Fourth Proportional to 358,267.23, 494,420.57 and 205,334.71
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Solution
The fourth proportional to 358,267.23, 494,420.57 and 205,334.71 is: 283,368.66
Step by Step Solution
- Step 1: Write the proportion equation
358,267.23 : 494,420.57 = 205,334.71 : x - Step 2: Convert to fraction form
358,267.23/494,420.57 = 205,334.71/x - Step 3: Cross multiply
358,267.23x = 494,420.57 × 205,334.71 - Step 4: Simplify right side
358,267.23x = 101,521,704,358.99 - Step 5: Solve for x
x = 101,521,704,358.99/358,267.23 - Step 6: Final answer
x = 283,368.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.