Finding the Fourth Proportional to 286,253.84, 395,028.36 and 157,194.64
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Solution
The fourth proportional to 286,253.84, 395,028.36 and 157,194.64 is: 216,927.54
Step by Step Solution
- Step 1: Write the proportion equation
286,253.84 : 395,028.36 = 157,194.64 : x - Step 2: Convert to fraction form
286,253.84/395,028.36 = 157,194.64/x - Step 3: Cross multiply
286,253.84x = 395,028.36 × 157,194.64 - Step 4: Simplify right side
286,253.84x = 62,096,340,839.99 - Step 5: Solve for x
x = 62,096,340,839.99/286,253.84 - Step 6: Final answer
x = 216,927.54
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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.