Finding the Fourth Proportional to 113,235.63, 169,747.84 and 38,303.63
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Solution
The fourth proportional to 113,235.63, 169,747.84 and 38,303.63 is: 57,419.72
Step by Step Solution
- Step 1: Write the proportion equation
113,235.63 : 169,747.84 = 38,303.63 : x - Step 2: Convert to fraction form
113,235.63/169,747.84 = 38,303.63/x - Step 3: Cross multiply
113,235.63x = 169,747.84 × 38,303.63 - Step 4: Simplify right side
113,235.63x = 6,501,958,292.35 - Step 5: Solve for x
x = 6,501,958,292.35/113,235.63 - Step 6: Final answer
x = 57,419.72
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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.