Finding the Fourth Proportional to 264,209.44, 396,230.91 and 86,675.08
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Solution
The fourth proportional to 264,209.44, 396,230.91 and 86,675.08 is: 129,985.31
Step by Step Solution
- Step 1: Write the proportion equation
264,209.44 : 396,230.91 = 86,675.08 : x - Step 2: Convert to fraction form
264,209.44/396,230.91 = 86,675.08/x - Step 3: Cross multiply
264,209.44x = 396,230.91 × 86,675.08 - Step 4: Simplify right side
264,209.44x = 34,343,345,389.35 - Step 5: Solve for x
x = 34,343,345,389.35/264,209.44 - Step 6: Final answer
x = 129,985.31
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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.