Finding the Fourth Proportional to 372,317.40, 558,476.10 and 230,599.80
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Solution
The fourth proportional to 372,317.40, 558,476.10 and 230,599.80 is: 345,899.70
Step by Step Solution
- Step 1: Write the proportion equation
372,317.40 : 558,476.10 = 230,599.80 : x - Step 2: Convert to fraction form
372,317.40/558,476.10 = 230,599.80/x - Step 3: Cross multiply
372,317.40x = 558,476.10 × 230,599.80 - Step 4: Simplify right side
372,317.40x = 128,784,476,964.78 - Step 5: Solve for x
x = 128,784,476,964.78/372,317.40 - Step 6: Final answer
x = 345,899.70
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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.