Finding the Fourth Proportional to 358,972.74, 495,385.74 and 197,833.68
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Solution
The fourth proportional to 358,972.74, 495,385.74 and 197,833.68 is: 273,012.33
Step by Step Solution
- Step 1: Write the proportion equation
358,972.74 : 495,385.74 = 197,833.68 : x - Step 2: Convert to fraction form
358,972.74/495,385.74 = 197,833.68/x - Step 3: Cross multiply
358,972.74x = 495,385.74 × 197,833.68 - Step 4: Simplify right side
358,972.74x = 98,003,983,963.72 - Step 5: Solve for x
x = 98,003,983,963.72/358,972.74 - Step 6: Final answer
x = 273,012.33
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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.