Finding the Fourth Proportional to 370,829.08, 556,242.54 and 134,170.84
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Solution
The fourth proportional to 370,829.08, 556,242.54 and 134,170.84 is: 201,255.87
Step by Step Solution
- Step 1: Write the proportion equation
370,829.08 : 556,242.54 = 134,170.84 : x - Step 2: Convert to fraction form
370,829.08/556,242.54 = 134,170.84/x - Step 3: Cross multiply
370,829.08x = 556,242.54 × 134,170.84 - Step 4: Simplify right side
370,829.08x = 74,631,528,835.53 - Step 5: Solve for x
x = 74,631,528,835.53/370,829.08 - Step 6: Final answer
x = 201,255.87
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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.