Finding the Fourth Proportional to 320,174.24, 441,802.81 and 176,925.74
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Solution
The fourth proportional to 320,174.24, 441,802.81 and 176,925.74 is: 244,136.72
Step by Step Solution
- Step 1: Write the proportion equation
320,174.24 : 441,802.81 = 176,925.74 : x - Step 2: Convert to fraction form
320,174.24/441,802.81 = 176,925.74/x - Step 3: Cross multiply
320,174.24x = 441,802.81 × 176,925.74 - Step 4: Simplify right side
320,174.24x = 78,166,289,093.33 - Step 5: Solve for x
x = 78,166,289,093.33/320,174.24 - Step 6: Final answer
x = 244,136.72
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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.