Finding the Fourth Proportional to 114,555.84, 171,844.92 and 42,528.12
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Solution
The fourth proportional to 114,555.84, 171,844.92 and 42,528.12 is: 63,796.32
Step by Step Solution
- Step 1: Write the proportion equation
114,555.84 : 171,844.92 = 42,528.12 : x - Step 2: Convert to fraction form
114,555.84/171,844.92 = 42,528.12/x - Step 3: Cross multiply
114,555.84x = 171,844.92 × 42,528.12 - Step 4: Simplify right side
114,555.84x = 7,308,241,379.15 - Step 5: Solve for x
x = 7,308,241,379.15/114,555.84 - Step 6: Final answer
x = 63,796.32
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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.