Finding the Fourth Proportional to 358,931.08, 495,302.34 and 215,606.44
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Solution
The fourth proportional to 358,931.08, 495,302.34 and 215,606.44 is: 297,523.34
Step by Step Solution
- Step 1: Write the proportion equation
358,931.08 : 495,302.34 = 215,606.44 : x - Step 2: Convert to fraction form
358,931.08/495,302.34 = 215,606.44/x - Step 3: Cross multiply
358,931.08x = 495,302.34 × 215,606.44 - Step 4: Simplify right side
358,931.08x = 106,790,374,251.07 - Step 5: Solve for x
x = 106,790,374,251.07/358,931.08 - Step 6: Final answer
x = 297,523.34
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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.