Finding the Fourth Proportional to 112,465.68, 155,202.48 and 62,164.68
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Solution
The fourth proportional to 112,465.68, 155,202.48 and 62,164.68 is: 85,787.17
Step by Step Solution
- Step 1: Write the proportion equation
112,465.68 : 155,202.48 = 62,164.68 : x - Step 2: Convert to fraction form
112,465.68/155,202.48 = 62,164.68/x - Step 3: Cross multiply
112,465.68x = 155,202.48 × 62,164.68 - Step 4: Simplify right side
112,465.68x = 9,648,112,504.41 - Step 5: Solve for x
x = 9,648,112,504.41/112,465.68 - Step 6: Final answer
x = 85,787.17
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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.