Finding the Fourth Proportional to 317,357.04, 437,938.20 and 174,114.12
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Solution
The fourth proportional to 317,357.04, 437,938.20 and 174,114.12 is: 240,269.52
Step by Step Solution
- Step 1: Write the proportion equation
317,357.04 : 437,938.20 = 174,114.12 : x - Step 2: Convert to fraction form
317,357.04/437,938.20 = 174,114.12/x - Step 3: Cross multiply
317,357.04x = 437,938.20 × 174,114.12 - Step 4: Simplify right side
317,357.04x = 76,251,224,307.38 - Step 5: Solve for x
x = 76,251,224,307.38/317,357.04 - Step 6: Final answer
x = 240,269.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.