Finding the Fourth Proportional to 320,279.08, 480,552.06 and 140,493.64
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Solution
The fourth proportional to 320,279.08, 480,552.06 and 140,493.64 is: 210,798.99
Step by Step Solution
- Step 1: Write the proportion equation
320,279.08 : 480,552.06 = 140,493.64 : x - Step 2: Convert to fraction form
320,279.08/480,552.06 = 140,493.64/x - Step 3: Cross multiply
320,279.08x = 480,552.06 × 140,493.64 - Step 4: Simplify right side
320,279.08x = 67,514,508,118.90 - Step 5: Solve for x
x = 67,514,508,118.90/320,279.08 - Step 6: Final answer
x = 210,798.99
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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.