Finding the Fourth Proportional to 542,696.36, 748,966.91 and 301,056.75
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Solution
The fourth proportional to 542,696.36, 748,966.91 and 301,056.75 is: 415,483.80
Step by Step Solution
- Step 1: Write the proportion equation
542,696.36 : 748,966.91 = 301,056.75 : x - Step 2: Convert to fraction form
542,696.36/748,966.91 = 301,056.75/x - Step 3: Cross multiply
542,696.36x = 748,966.91 × 301,056.75 - Step 4: Simplify right side
542,696.36x = 225,481,542,276.86 - Step 5: Solve for x
x = 225,481,542,276.86/542,696.36 - Step 6: Final answer
x = 415,483.80
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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.