Finding the Fourth Proportional to 358,990.76, 495,384.99 and 197,836.81
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Solution
The fourth proportional to 358,990.76, 495,384.99 and 197,836.81 is: 273,002.53
Step by Step Solution
- Step 1: Write the proportion equation
358,990.76 : 495,384.99 = 197,836.81 : x - Step 2: Convert to fraction form
358,990.76/495,384.99 = 197,836.81/x - Step 3: Cross multiply
358,990.76x = 495,384.99 × 197,836.81 - Step 4: Simplify right side
358,990.76x = 98,005,386,143.48 - Step 5: Solve for x
x = 98,005,386,143.48/358,990.76 - Step 6: Final answer
x = 273,002.53
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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.