Finding the Fourth Proportional to 581,331.68, 802,247.20 and 319,698.08
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Solution
The fourth proportional to 581,331.68, 802,247.20 and 319,698.08 is: 441,188.56
Step by Step Solution
- Step 1: Write the proportion equation
581,331.68 : 802,247.20 = 319,698.08 : x - Step 2: Convert to fraction form
581,331.68/802,247.20 = 319,698.08/x - Step 3: Cross multiply
581,331.68x = 802,247.20 × 319,698.08 - Step 4: Simplify right side
581,331.68x = 256,476,889,525.38 - Step 5: Solve for x
x = 256,476,889,525.38/581,331.68 - Step 6: Final answer
x = 441,188.56
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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.