Finding the Fourth Proportional to 403,074.28, 556,227.30 and 224,237.80
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Solution
The fourth proportional to 403,074.28, 556,227.30 and 224,237.80 is: 309,439.70
Step by Step Solution
- Step 1: Write the proportion equation
403,074.28 : 556,227.30 = 224,237.80 : x - Step 2: Convert to fraction form
403,074.28/556,227.30 = 224,237.80/x - Step 3: Cross multiply
403,074.28x = 556,227.30 × 224,237.80 - Step 4: Simplify right side
403,074.28x = 124,727,186,051.94 - Step 5: Solve for x
x = 124,727,186,051.94/403,074.28 - Step 6: Final answer
x = 309,439.70
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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.