Finding the Fourth Proportional to 423,186.04, 634,762.68 and 107,651.17
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Solution
The fourth proportional to 423,186.04, 634,762.68 and 107,651.17 is: 161,472.59
Step by Step Solution
- Step 1: Write the proportion equation
423,186.04 : 634,762.68 = 107,651.17 : x - Step 2: Convert to fraction form
423,186.04/634,762.68 = 107,651.17/x - Step 3: Cross multiply
423,186.04x = 634,762.68 × 107,651.17 - Step 4: Simplify right side
423,186.04x = 68,332,945,174.34 - Step 5: Solve for x
x = 68,332,945,174.34/423,186.04 - Step 6: Final answer
x = 161,472.59
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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.