Finding the Fourth Proportional to 718,599.08, 1,078,126.08 and 213,162.02
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Solution
The fourth proportional to 718,599.08, 1,078,126.08 and 213,162.02 is: 319,810.50
Step by Step Solution
- Step 1: Write the proportion equation
718,599.08 : 1,078,126.08 = 213,162.02 : x - Step 2: Convert to fraction form
718,599.08/1,078,126.08 = 213,162.02/x - Step 3: Cross multiply
718,599.08x = 1,078,126.08 × 213,162.02 - Step 4: Simplify right side
718,599.08x = 229,815,533,027.48 - Step 5: Solve for x
x = 229,815,533,027.48/718,599.08 - Step 6: Final answer
x = 319,810.50
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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.