Finding the Fourth Proportional to 447,417.30, 617,449.84 and 253,833.18
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Solution
The fourth proportional to 447,417.30, 617,449.84 and 253,833.18 is: 350,297.70
Step by Step Solution
- Step 1: Write the proportion equation
447,417.30 : 617,449.84 = 253,833.18 : x - Step 2: Convert to fraction form
447,417.30/617,449.84 = 253,833.18/x - Step 3: Cross multiply
447,417.30x = 617,449.84 × 253,833.18 - Step 4: Simplify right side
447,417.30x = 156,729,253,427.67 - Step 5: Solve for x
x = 156,729,253,427.67/447,417.30 - Step 6: Final answer
x = 350,297.70
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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.