Finding the Fourth Proportional to 230,681.14, 345,991.30 and 68,571.75
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Solution
The fourth proportional to 230,681.14, 345,991.30 and 68,571.75 is: 102,848.59
Step by Step Solution
- Step 1: Write the proportion equation
230,681.14 : 345,991.30 = 68,571.75 : x - Step 2: Convert to fraction form
230,681.14/345,991.30 = 68,571.75/x - Step 3: Cross multiply
230,681.14x = 345,991.30 × 68,571.75 - Step 4: Simplify right side
230,681.14x = 23,725,228,925.78 - Step 5: Solve for x
x = 23,725,228,925.78/230,681.14 - Step 6: Final answer
x = 102,848.59
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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.