Finding the Fourth Proportional to 384,985.51, 577,509.09 and 115,093.91
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Solution
The fourth proportional to 384,985.51, 577,509.09 and 115,093.91 is: 172,650.09
Step by Step Solution
- Step 1: Write the proportion equation
384,985.51 : 577,509.09 = 115,093.91 : x - Step 2: Convert to fraction form
384,985.51/577,509.09 = 115,093.91/x - Step 3: Cross multiply
384,985.51x = 577,509.09 × 115,093.91 - Step 4: Simplify right side
384,985.51x = 66,467,780,888.22 - Step 5: Solve for x
x = 66,467,780,888.22/384,985.51 - Step 6: Final answer
x = 172,650.09
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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.