Finding the Fourth Proportional to 358,927.80, 495,318.06 and 197,784.12
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Solution
The fourth proportional to 358,927.80, 495,318.06 and 197,784.12 is: 272,940.82
Step by Step Solution
- Step 1: Write the proportion equation
358,927.80 : 495,318.06 = 197,784.12 : x - Step 2: Convert to fraction form
358,927.80/495,318.06 = 197,784.12/x - Step 3: Cross multiply
358,927.80x = 495,318.06 × 197,784.12 - Step 4: Simplify right side
358,927.80x = 97,966,046,617.21 - Step 5: Solve for x
x = 97,966,046,617.21/358,927.80 - Step 6: Final answer
x = 272,940.82
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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.