Finding the Fourth Proportional to 317,358.99, 437,955.98 and 174,120.06
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Solution
The fourth proportional to 317,358.99, 437,955.98 and 174,120.06 is: 240,285.99
Step by Step Solution
- Step 1: Write the proportion equation
317,358.99 : 437,955.98 = 174,120.06 : x - Step 2: Convert to fraction form
317,358.99/437,955.98 = 174,120.06/x - Step 3: Cross multiply
317,358.99x = 437,955.98 × 174,120.06 - Step 4: Simplify right side
317,358.99x = 76,256,918,836.30 - Step 5: Solve for x
x = 76,256,918,836.30/317,358.99 - Step 6: Final answer
x = 240,285.99
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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.