Finding the Fourth Proportional to 321,295.04, 482,107.80 and 153,006.20
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Solution
The fourth proportional to 321,295.04, 482,107.80 and 153,006.20 is: 229,587.99
Step by Step Solution
- Step 1: Write the proportion equation
321,295.04 : 482,107.80 = 153,006.20 : x - Step 2: Convert to fraction form
321,295.04/482,107.80 = 153,006.20/x - Step 3: Cross multiply
321,295.04x = 482,107.80 × 153,006.20 - Step 4: Simplify right side
321,295.04x = 73,765,482,468.36 - Step 5: Solve for x
x = 73,765,482,468.36/321,295.04 - Step 6: Final answer
x = 229,587.99
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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.