Finding the Fourth Proportional to 299,985.56, 450,102.56 and 131,418.80
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Solution
The fourth proportional to 299,985.56, 450,102.56 and 131,418.80 is: 197,182.62
Step by Step Solution
- Step 1: Write the proportion equation
299,985.56 : 450,102.56 = 131,418.80 : x - Step 2: Convert to fraction form
299,985.56/450,102.56 = 131,418.80/x - Step 3: Cross multiply
299,985.56x = 450,102.56 × 131,418.80 - Step 4: Simplify right side
299,985.56x = 59,151,938,312.13 - Step 5: Solve for x
x = 59,151,938,312.13/299,985.56 - Step 6: Final answer
x = 197,182.62
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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.