Finding the Fourth Proportional to 358,707.05, 495,221.60 and 238,011.99
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Solution
The fourth proportional to 358,707.05, 495,221.60 and 238,011.99 is: 328,593.14
Step by Step Solution
- Step 1: Write the proportion equation
358,707.05 : 495,221.60 = 238,011.99 : x - Step 2: Convert to fraction form
358,707.05/495,221.60 = 238,011.99/x - Step 3: Cross multiply
358,707.05x = 495,221.60 × 238,011.99 - Step 4: Simplify right side
358,707.05x = 117,868,675,906.12 - Step 5: Solve for x
x = 117,868,675,906.12/358,707.05 - Step 6: Final answer
x = 328,593.14
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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.