Finding the Fourth Proportional to 358,695.42, 495,022.05 and 197,550.42
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Solution
The fourth proportional to 358,695.42, 495,022.05 and 197,550.42 is: 272,631.90
Step by Step Solution
- Step 1: Write the proportion equation
358,695.42 : 495,022.05 = 197,550.42 : x - Step 2: Convert to fraction form
358,695.42/495,022.05 = 197,550.42/x - Step 3: Cross multiply
358,695.42x = 495,022.05 × 197,550.42 - Step 4: Simplify right side
358,695.42x = 97,791,813,886.76 - Step 5: Solve for x
x = 97,791,813,886.76/358,695.42 - Step 6: Final answer
x = 272,631.90
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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.