Finding the Fourth Proportional to 264,031.20, 395,888.64 and 84,038.88
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Solution
The fourth proportional to 264,031.20, 395,888.64 and 84,038.88 is: 126,007.98
Step by Step Solution
- Step 1: Write the proportion equation
264,031.20 : 395,888.64 = 84,038.88 : x - Step 2: Convert to fraction form
264,031.20/395,888.64 = 84,038.88/x - Step 3: Cross multiply
264,031.20x = 395,888.64 × 84,038.88 - Step 4: Simplify right side
264,031.20x = 33,270,037,490.13 - Step 5: Solve for x
x = 33,270,037,490.13/264,031.20 - Step 6: Final answer
x = 126,007.98
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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.