Finding the Fourth Proportional to 317,171.04, 437,706.18 and 173,930.74
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Solution
The fourth proportional to 317,171.04, 437,706.18 and 173,930.74 is: 240,029.99
Step by Step Solution
- Step 1: Write the proportion equation
317,171.04 : 437,706.18 = 173,930.74 : x - Step 2: Convert to fraction form
317,171.04/437,706.18 = 173,930.74/x - Step 3: Cross multiply
317,171.04x = 437,706.18 × 173,930.74 - Step 4: Simplify right side
317,171.04x = 76,130,561,157.81 - Step 5: Solve for x
x = 76,130,561,157.81/317,171.04 - Step 6: Final answer
x = 240,029.99
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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.