Finding the Fourth Proportional to 320,173.24, 441,801.44 and 176,924.74
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Solution
The fourth proportional to 320,173.24, 441,801.44 and 176,924.74 is: 244,135.34
Step by Step Solution
- Step 1: Write the proportion equation
320,173.24 : 441,801.44 = 176,924.74 : x - Step 2: Convert to fraction form
320,173.24/441,801.44 = 176,924.74/x - Step 3: Cross multiply
320,173.24x = 441,801.44 × 176,924.74 - Step 4: Simplify right side
320,173.24x = 78,165,601,809.99 - Step 5: Solve for x
x = 78,165,601,809.99/320,173.24 - Step 6: Final answer
x = 244,135.34
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1.5x scale
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.