Finding the Fourth Proportional to 155,608.95, 214,482.20 and 110,228.70
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Solution
The fourth proportional to 155,608.95, 214,482.20 and 110,228.70 is: 151,932.74
Step by Step Solution
- Step 1: Write the proportion equation
155,608.95 : 214,482.20 = 110,228.70 : x - Step 2: Convert to fraction form
155,608.95/214,482.20 = 110,228.70/x - Step 3: Cross multiply
155,608.95x = 214,482.20 × 110,228.70 - Step 4: Simplify right side
155,608.95x = 23,642,094,079.14 - Step 5: Solve for x
x = 23,642,094,079.14/155,608.95 - Step 6: Final answer
x = 151,932.74
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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.