Finding the Fourth Proportional to 113,866.84, 157,135.44 and 62,882.74
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Solution
The fourth proportional to 113,866.84, 157,135.44 and 62,882.74 is: 86,777.74
Step by Step Solution
- Step 1: Write the proportion equation
113,866.84 : 157,135.44 = 62,882.74 : x - Step 2: Convert to fraction form
113,866.84/157,135.44 = 62,882.74/x - Step 3: Cross multiply
113,866.84x = 157,135.44 × 62,882.74 - Step 4: Simplify right side
113,866.84x = 9,881,107,018.31 - Step 5: Solve for x
x = 9,881,107,018.31/113,866.84 - Step 6: Final answer
x = 86,777.74
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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.