Finding the Fourth Proportional to 358,891.62, 495,270.36 and 197,746.20
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Solution
The fourth proportional to 358,891.62, 495,270.36 and 197,746.20 is: 272,889.71
Step by Step Solution
- Step 1: Write the proportion equation
358,891.62 : 495,270.36 = 197,746.20 : x - Step 2: Convert to fraction form
358,891.62/495,270.36 = 197,746.20/x - Step 3: Cross multiply
358,891.62x = 495,270.36 × 197,746.20 - Step 4: Simplify right side
358,891.62x = 97,937,831,662.63 - Step 5: Solve for x
x = 97,937,831,662.63/358,891.62 - Step 6: Final answer
x = 272,889.71
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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.