Finding the Fourth Proportional to 320,251.30, 441,981.06 and 184,291.18
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Solution
The fourth proportional to 320,251.30, 441,981.06 and 184,291.18 is: 254,341.55
Step by Step Solution
- Step 1: Write the proportion equation
320,251.30 : 441,981.06 = 184,291.18 : x - Step 2: Convert to fraction form
320,251.30/441,981.06 = 184,291.18/x - Step 3: Cross multiply
320,251.30x = 441,981.06 × 184,291.18 - Step 4: Simplify right side
320,251.30x = 81,453,211,085.05 - Step 5: Solve for x
x = 81,453,211,085.05/320,251.30 - Step 6: Final answer
x = 254,341.55
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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.