Finding the Fourth Proportional to 260,302.56, 390,485.44 and 73,314.06
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Solution
The fourth proportional to 260,302.56, 390,485.44 and 73,314.06 is: 109,979.99
Step by Step Solution
- Step 1: Write the proportion equation
260,302.56 : 390,485.44 = 73,314.06 : x - Step 2: Convert to fraction form
260,302.56/390,485.44 = 73,314.06/x - Step 3: Cross multiply
260,302.56x = 390,485.44 × 73,314.06 - Step 4: Simplify right side
260,302.56x = 28,628,072,610.72 - Step 5: Solve for x
x = 28,628,072,610.72/260,302.56 - Step 6: Final answer
x = 109,979.99
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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.