Finding the Fourth Proportional to 293,509.08, 405,044.28 and 172,655.28
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Solution
The fourth proportional to 293,509.08, 405,044.28 and 172,655.28 is: 238,265.32
Step by Step Solution
- Step 1: Write the proportion equation
293,509.08 : 405,044.28 = 172,655.28 : x - Step 2: Convert to fraction form
293,509.08/405,044.28 = 172,655.28/x - Step 3: Cross multiply
293,509.08x = 405,044.28 × 172,655.28 - Step 4: Simplify right side
293,509.08x = 69,933,033,575.80 - Step 5: Solve for x
x = 69,933,033,575.80/293,509.08 - Step 6: Final answer
x = 238,265.32
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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.