Finding the Fourth Proportional to 358,963.84, 495,373.38 and 197,824.66
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Solution
The fourth proportional to 358,963.84, 495,373.38 and 197,824.66 is: 272,999.84
Step by Step Solution
- Step 1: Write the proportion equation
358,963.84 : 495,373.38 = 197,824.66 : x - Step 2: Convert to fraction form
358,963.84/495,373.38 = 197,824.66/x - Step 3: Cross multiply
358,963.84x = 495,373.38 × 197,824.66 - Step 4: Simplify right side
358,963.84x = 97,997,070,471.55 - Step 5: Solve for x
x = 97,997,070,471.55/358,963.84 - Step 6: Final answer
x = 272,999.84
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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.