Finding the Fourth Proportional to 159,488.82, 239,280.01 and 47,171.99
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Solution
The fourth proportional to 159,488.82, 239,280.01 and 47,171.99 is: 70,771.82
Step by Step Solution
- Step 1: Write the proportion equation
159,488.82 : 239,280.01 = 47,171.99 : x - Step 2: Convert to fraction form
159,488.82/239,280.01 = 47,171.99/x - Step 3: Cross multiply
159,488.82x = 239,280.01 × 47,171.99 - Step 4: Simplify right side
159,488.82x = 11,287,314,719.19 - Step 5: Solve for x
x = 11,287,314,719.19/159,488.82 - Step 6: Final answer
x = 70,771.82
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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.