Finding the Fourth Proportional to 358,887.84, 495,262.76 and 197,739.14
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Solution
The fourth proportional to 358,887.84, 495,262.76 and 197,739.14 is: 272,878.66
Step by Step Solution
- Step 1: Write the proportion equation
358,887.84 : 495,262.76 = 197,739.14 : x - Step 2: Convert to fraction form
358,887.84/495,262.76 = 197,739.14/x - Step 3: Cross multiply
358,887.84x = 495,262.76 × 197,739.14 - Step 4: Simplify right side
358,887.84x = 97,932,832,236.43 - Step 5: Solve for x
x = 97,932,832,236.43/358,887.84 - Step 6: Final answer
x = 272,878.66
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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.