Finding the Fourth Proportional to 101,237.67, 151,881.57 and 30,159.99
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Solution
The fourth proportional to 101,237.67, 151,881.57 and 30,159.99 is: 45,247.45
Step by Step Solution
- Step 1: Write the proportion equation
101,237.67 : 151,881.57 = 30,159.99 : x - Step 2: Convert to fraction form
101,237.67/151,881.57 = 30,159.99/x - Step 3: Cross multiply
101,237.67x = 151,881.57 × 30,159.99 - Step 4: Simplify right side
101,237.67x = 4,580,746,632.38 - Step 5: Solve for x
x = 4,580,746,632.38/101,237.67 - Step 6: Final answer
x = 45,247.45
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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.