Finding the Fourth Proportional to 134,830.90, 202,246.35 and 133,081.30
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Solution
The fourth proportional to 134,830.90, 202,246.35 and 133,081.30 is: 199,621.95
Step by Step Solution
- Step 1: Write the proportion equation
134,830.90 : 202,246.35 = 133,081.30 : x - Step 2: Convert to fraction form
134,830.90/202,246.35 = 133,081.30/x - Step 3: Cross multiply
134,830.90x = 202,246.35 × 133,081.30 - Step 4: Simplify right side
134,830.90x = 26,915,207,178.26 - Step 5: Solve for x
x = 26,915,207,178.26/134,830.90 - Step 6: Final answer
x = 199,621.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.