Finding the Fourth Proportional to 385,505.36, 578,188.37 and 104,957.00
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Solution
The fourth proportional to 385,505.36, 578,188.37 and 104,957.00 is: 157,416.52
Step by Step Solution
- Step 1: Write the proportion equation
385,505.36 : 578,188.37 = 104,957.00 : x - Step 2: Convert to fraction form
385,505.36/578,188.37 = 104,957.00/x - Step 3: Cross multiply
385,505.36x = 578,188.37 × 104,957.00 - Step 4: Simplify right side
385,505.36x = 60,684,913,334.36 - Step 5: Solve for x
x = 60,684,913,334.36/385,505.36 - Step 6: Final answer
x = 157,416.52
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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.