Finding the Fourth Proportional to 358,984.84, 495,402.44 and 197,845.68
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Solution
The fourth proportional to 358,984.84, 495,402.44 and 197,845.68 is: 273,028.89
Step by Step Solution
- Step 1: Write the proportion equation
358,984.84 : 495,402.44 = 197,845.68 : x - Step 2: Convert to fraction form
358,984.84/495,402.44 = 197,845.68/x - Step 3: Cross multiply
358,984.84x = 495,402.44 × 197,845.68 - Step 4: Simplify right side
358,984.84x = 98,013,232,615.46 - Step 5: Solve for x
x = 98,013,232,615.46/358,984.84 - Step 6: Final answer
x = 273,028.89
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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.