Finding the Fourth Proportional to 456,225.36, 629,589.80 and 249,493.84
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Solution
The fourth proportional to 456,225.36, 629,589.80 and 249,493.84 is: 344,300.84
Step by Step Solution
- Step 1: Write the proportion equation
456,225.36 : 629,589.80 = 249,493.84 : x - Step 2: Convert to fraction form
456,225.36/629,589.80 = 249,493.84/x - Step 3: Cross multiply
456,225.36x = 629,589.80 × 249,493.84 - Step 4: Simplify right side
456,225.36x = 157,078,776,826.83 - Step 5: Solve for x
x = 157,078,776,826.83/456,225.36 - Step 6: Final answer
x = 344,300.84
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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.