Finding the Fourth Proportional to 162,878.36, 224,774.35 and 91,256.84
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Solution
The fourth proportional to 162,878.36, 224,774.35 and 91,256.84 is: 125,935.67
Step by Step Solution
- Step 1: Write the proportion equation
162,878.36 : 224,774.35 = 91,256.84 : x - Step 2: Convert to fraction form
162,878.36/224,774.35 = 91,256.84/x - Step 3: Cross multiply
162,878.36x = 224,774.35 × 91,256.84 - Step 4: Simplify right side
162,878.36x = 20,512,195,542.04 - Step 5: Solve for x
x = 20,512,195,542.04/162,878.36 - Step 6: Final answer
x = 125,935.67
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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.