Finding the Fourth Proportional to 134,907.12, 202,590.32 and 129,264.66
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Solution
The fourth proportional to 134,907.12, 202,590.32 and 129,264.66 is: 194,117.02
Step by Step Solution
- Step 1: Write the proportion equation
134,907.12 : 202,590.32 = 129,264.66 : x - Step 2: Convert to fraction form
134,907.12/202,590.32 = 129,264.66/x - Step 3: Cross multiply
134,907.12x = 202,590.32 × 129,264.66 - Step 4: Simplify right side
134,907.12x = 26,187,768,187.77 - Step 5: Solve for x
x = 26,187,768,187.77/134,907.12 - Step 6: Final answer
x = 194,117.02
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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.