Finding the Fourth Proportional to 155,208.17, 232,763.05 and 66,437.84
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Solution
The fourth proportional to 155,208.17, 232,763.05 and 66,437.84 is: 99,635.70
Step by Step Solution
- Step 1: Write the proportion equation
155,208.17 : 232,763.05 = 66,437.84 : x - Step 2: Convert to fraction form
155,208.17/232,763.05 = 66,437.84/x - Step 3: Cross multiply
155,208.17x = 232,763.05 × 66,437.84 - Step 4: Simplify right side
155,208.17x = 15,464,274,273.81 - Step 5: Solve for x
x = 15,464,274,273.81/155,208.17 - Step 6: Final answer
x = 99,635.70
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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.