Finding the Fourth Proportional to 119,033.62, 178,497.68 and 55,802.70
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Solution
The fourth proportional to 119,033.62, 178,497.68 and 55,802.70 is: 83,679.32
Step by Step Solution
- Step 1: Write the proportion equation
119,033.62 : 178,497.68 = 55,802.70 : x - Step 2: Convert to fraction form
119,033.62/178,497.68 = 55,802.70/x - Step 3: Cross multiply
119,033.62x = 178,497.68 × 55,802.70 - Step 4: Simplify right side
119,033.62x = 9,960,652,208.72 - Step 5: Solve for x
x = 9,960,652,208.72/119,033.62 - Step 6: Final answer
x = 83,679.32
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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.