Finding the Fourth Proportional to 105,243.08, 157,754.35 and 49,036.84
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Solution
The fourth proportional to 105,243.08, 157,754.35 and 49,036.84 is: 73,503.88
Step by Step Solution
- Step 1: Write the proportion equation
105,243.08 : 157,754.35 = 49,036.84 : x - Step 2: Convert to fraction form
105,243.08/157,754.35 = 49,036.84/x - Step 3: Cross multiply
105,243.08x = 157,754.35 × 49,036.84 - Step 4: Simplify right side
105,243.08x = 7,735,774,303.28 - Step 5: Solve for x
x = 7,735,774,303.28/105,243.08 - Step 6: Final answer
x = 73,503.88
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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.