Finding the Fourth Proportional to 104,852.12, 157,345.84 and 38,286.68
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Solution
The fourth proportional to 104,852.12, 157,345.84 and 38,286.68 is: 57,454.72
Step by Step Solution
- Step 1: Write the proportion equation
104,852.12 : 157,345.84 = 38,286.68 : x - Step 2: Convert to fraction form
104,852.12/157,345.84 = 38,286.68/x - Step 3: Cross multiply
104,852.12x = 157,345.84 × 38,286.68 - Step 4: Simplify right side
104,852.12x = 6,024,249,086.54 - Step 5: Solve for x
x = 6,024,249,086.54/104,852.12 - Step 6: Final answer
x = 57,454.72
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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.