Finding the Fourth Proportional to 286,028.88, 393,320.16 and 248,237.52
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Solution
The fourth proportional to 286,028.88, 393,320.16 and 248,237.52 is: 341,353.02
Step by Step Solution
- Step 1: Write the proportion equation
286,028.88 : 393,320.16 = 248,237.52 : x - Step 2: Convert to fraction form
286,028.88/393,320.16 = 248,237.52/x - Step 3: Cross multiply
286,028.88x = 393,320.16 × 248,237.52 - Step 4: Simplify right side
286,028.88x = 97,636,821,084.40 - Step 5: Solve for x
x = 97,636,821,084.40/286,028.88 - Step 6: Final answer
x = 341,353.02
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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.