Finding the Fourth Proportional to 178,163.19, 245,865.51 and 97,590.87
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Solution
The fourth proportional to 178,163.19, 245,865.51 and 97,590.87 is: 134,675.57
Step by Step Solution
- Step 1: Write the proportion equation
178,163.19 : 245,865.51 = 97,590.87 : x - Step 2: Convert to fraction form
178,163.19/245,865.51 = 97,590.87/x - Step 3: Cross multiply
178,163.19x = 245,865.51 × 97,590.87 - Step 4: Simplify right side
178,163.19x = 23,994,229,023.89 - Step 5: Solve for x
x = 23,994,229,023.89/178,163.19 - Step 6: Final answer
x = 134,675.57
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1.5x scale
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.