Finding the Fourth Proportional to 255,532.04, 383,316.50 and 103,656.18
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Solution
The fourth proportional to 255,532.04, 383,316.50 and 103,656.18 is: 155,491.75
Step by Step Solution
- Step 1: Write the proportion equation
255,532.04 : 383,316.50 = 103,656.18 : x - Step 2: Convert to fraction form
255,532.04/383,316.50 = 103,656.18/x - Step 3: Cross multiply
255,532.04x = 383,316.50 × 103,656.18 - Step 4: Simplify right side
255,532.04x = 39,733,124,120.97 - Step 5: Solve for x
x = 39,733,124,120.97/255,532.04 - Step 6: Final answer
x = 155,491.75
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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.