Finding the Fourth Proportional to 319,235.04, 440,530.80 and 174,037.68
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Solution
The fourth proportional to 319,235.04, 440,530.80 and 174,037.68 is: 240,164.61
Step by Step Solution
- Step 1: Write the proportion equation
319,235.04 : 440,530.80 = 174,037.68 : x - Step 2: Convert to fraction form
319,235.04/440,530.80 = 174,037.68/x - Step 3: Cross multiply
319,235.04x = 440,530.80 × 174,037.68 - Step 4: Simplify right side
319,235.04x = 76,668,958,400.54 - Step 5: Solve for x
x = 76,668,958,400.54/319,235.04 - Step 6: Final answer
x = 240,164.61
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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.