Finding the Fourth Proportional to 423,558.92, 631,602.01 and 364,772.36
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Solution
The fourth proportional to 423,558.92, 631,602.01 and 364,772.36 is: 543,940.75
Step by Step Solution
- Step 1: Write the proportion equation
423,558.92 : 631,602.01 = 364,772.36 : x - Step 2: Convert to fraction form
423,558.92/631,602.01 = 364,772.36/x - Step 3: Cross multiply
423,558.92x = 631,602.01 × 364,772.36 - Step 4: Simplify right side
423,558.92x = 230,390,955,768.44 - Step 5: Solve for x
x = 230,390,955,768.44/423,558.92 - Step 6: Final answer
x = 543,940.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.