Finding the Fourth Proportional to 286,907.07, 430,202.61 and 118,389.09
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Solution
The fourth proportional to 286,907.07, 430,202.61 and 118,389.09 is: 177,518.44
Step by Step Solution
- Step 1: Write the proportion equation
286,907.07 : 430,202.61 = 118,389.09 : x - Step 2: Convert to fraction form
286,907.07/430,202.61 = 118,389.09/x - Step 3: Cross multiply
286,907.07x = 430,202.61 × 118,389.09 - Step 4: Simplify right side
286,907.07x = 50,931,295,513.52 - Step 5: Solve for x
x = 50,931,295,513.52/286,907.07 - Step 6: Final answer
x = 177,518.44
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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.