Finding the Fourth Proportional to 287,315.64, 396,495.56 and 166,526.99
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Solution
The fourth proportional to 287,315.64, 396,495.56 and 166,526.99 is: 229,807.23
Step by Step Solution
- Step 1: Write the proportion equation
287,315.64 : 396,495.56 = 166,526.99 : x - Step 2: Convert to fraction form
287,315.64/396,495.56 = 166,526.99/x - Step 3: Cross multiply
287,315.64x = 396,495.56 × 166,526.99 - Step 4: Simplify right side
287,315.64x = 66,027,212,155.16 - Step 5: Solve for x
x = 66,027,212,155.16/287,315.64 - Step 6: Final answer
x = 229,807.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.