Finding the Fourth Proportional to 358,685.53, 495,039.84 and 272,502.69
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Solution
The fourth proportional to 358,685.53, 495,039.84 and 272,502.69 is: 376,094.59
Step by Step Solution
- Step 1: Write the proportion equation
358,685.53 : 495,039.84 = 272,502.69 : x - Step 2: Convert to fraction form
358,685.53/495,039.84 = 272,502.69/x - Step 3: Cross multiply
358,685.53x = 495,039.84 × 272,502.69 - Step 4: Simplify right side
358,685.53x = 134,899,686,138.31 - Step 5: Solve for x
x = 134,899,686,138.31/358,685.53 - Step 6: Final answer
x = 376,094.59
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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.