Finding the Fourth Proportional to 167,815.47, 251,488.08 and 83,495.70
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Solution
The fourth proportional to 167,815.47, 251,488.08 and 83,495.70 is: 125,126.56
Step by Step Solution
- Step 1: Write the proportion equation
167,815.47 : 251,488.08 = 83,495.70 : x - Step 2: Convert to fraction form
167,815.47/251,488.08 = 83,495.70/x - Step 3: Cross multiply
167,815.47x = 251,488.08 × 83,495.70 - Step 4: Simplify right side
167,815.47x = 20,998,173,281.26 - Step 5: Solve for x
x = 20,998,173,281.26/167,815.47 - Step 6: Final answer
x = 125,126.56
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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.