Finding the Fourth Proportional to 133,372.57, 199,207.08 and 120,702.91
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Solution
The fourth proportional to 133,372.57, 199,207.08 and 120,702.91 is: 180,283.51
Step by Step Solution
- Step 1: Write the proportion equation
133,372.57 : 199,207.08 = 120,702.91 : x - Step 2: Convert to fraction form
133,372.57/199,207.08 = 120,702.91/x - Step 3: Cross multiply
133,372.57x = 199,207.08 × 120,702.91 - Step 4: Simplify right side
133,372.57x = 24,044,874,203.22 - Step 5: Solve for x
x = 24,044,874,203.22/133,372.57 - Step 6: Final answer
x = 180,283.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.