Finding the Fourth Proportional to 320,588.42, 442,425.04 and 177,345.99
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Solution
The fourth proportional to 320,588.42, 442,425.04 and 177,345.99 is: 244,744.67
Step by Step Solution
- Step 1: Write the proportion equation
320,588.42 : 442,425.04 = 177,345.99 : x - Step 2: Convert to fraction form
320,588.42/442,425.04 = 177,345.99/x - Step 3: Cross multiply
320,588.42x = 442,425.04 × 177,345.99 - Step 4: Simplify right side
320,588.42x = 78,462,306,276.22 - Step 5: Solve for x
x = 78,462,306,276.22/320,588.42 - Step 6: Final answer
x = 244,744.67
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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.