Finding the Fourth Proportional to 159,155.44, 238,748.75 and 57,980.99
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Solution
The fourth proportional to 159,155.44, 238,748.75 and 57,980.99 is: 86,977.17
Step by Step Solution
- Step 1: Write the proportion equation
159,155.44 : 238,748.75 = 57,980.99 : x - Step 2: Convert to fraction form
159,155.44/238,748.75 = 57,980.99/x - Step 3: Cross multiply
159,155.44x = 238,748.75 × 57,980.99 - Step 4: Simplify right side
159,155.44x = 13,842,889,410.66 - Step 5: Solve for x
x = 13,842,889,410.66/159,155.44 - Step 6: Final answer
x = 86,977.17
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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.