Finding the Fourth Proportional to 335,107.84, 502,698.40 and 145,437.84
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Solution
The fourth proportional to 335,107.84, 502,698.40 and 145,437.84 is: 218,172.66
Step by Step Solution
- Step 1: Write the proportion equation
335,107.84 : 502,698.40 = 145,437.84 : x - Step 2: Convert to fraction form
335,107.84/502,698.40 = 145,437.84/x - Step 3: Cross multiply
335,107.84x = 502,698.40 × 145,437.84 - Step 4: Simplify right side
335,107.84x = 73,111,369,467.46 - Step 5: Solve for x
x = 73,111,369,467.46/335,107.84 - Step 6: Final answer
x = 218,172.66
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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.