Finding the Fourth Proportional to 319,325.58, 440,666.05 and 174,131.01
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Solution
The fourth proportional to 319,325.58, 440,666.05 and 174,131.01 is: 240,299.02
Step by Step Solution
- Step 1: Write the proportion equation
319,325.58 : 440,666.05 = 174,131.01 : x - Step 2: Convert to fraction form
319,325.58/440,666.05 = 174,131.01/x - Step 3: Cross multiply
319,325.58x = 440,666.05 × 174,131.01 - Step 4: Simplify right side
319,325.58x = 76,733,624,359.21 - Step 5: Solve for x
x = 76,733,624,359.21/319,325.58 - Step 6: Final answer
x = 240,299.02
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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.