Finding the Fourth Proportional to 830,838.63, 1,246,257.95 and 199,752.44
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Solution
The fourth proportional to 830,838.63, 1,246,257.95 and 199,752.44 is: 299,628.67
Step by Step Solution
- Step 1: Write the proportion equation
830,838.63 : 1,246,257.95 = 199,752.44 : x - Step 2: Convert to fraction form
830,838.63/1,246,257.95 = 199,752.44/x - Step 3: Cross multiply
830,838.63x = 1,246,257.95 × 199,752.44 - Step 4: Simplify right side
830,838.63x = 248,943,069,996.92 - Step 5: Solve for x
x = 248,943,069,996.92/830,838.63 - Step 6: Final answer
x = 299,628.67
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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.