Finding the Fourth Proportional to 492,509.09, 738,763.77 and 118,532.09
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Solution
The fourth proportional to 492,509.09, 738,763.77 and 118,532.09 is: 177,798.16
Step by Step Solution
- Step 1: Write the proportion equation
492,509.09 : 738,763.77 = 118,532.09 : x - Step 2: Convert to fraction form
492,509.09/738,763.77 = 118,532.09/x - Step 3: Cross multiply
492,509.09x = 738,763.77 × 118,532.09 - Step 4: Simplify right side
492,509.09x = 87,567,209,980.56 - Step 5: Solve for x
x = 87,567,209,980.56/492,509.09 - Step 6: Final answer
x = 177,798.16
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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.