Finding the Fourth Proportional to 385,246.08, 577,892.88 and 148,585.68
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Solution
The fourth proportional to 385,246.08, 577,892.88 and 148,585.68 is: 222,887.68
Step by Step Solution
- Step 1: Write the proportion equation
385,246.08 : 577,892.88 = 148,585.68 : x - Step 2: Convert to fraction form
385,246.08/577,892.88 = 148,585.68/x - Step 3: Cross multiply
385,246.08x = 577,892.88 × 148,585.68 - Step 4: Simplify right side
385,246.08x = 85,866,606,541.96 - Step 5: Solve for x
x = 85,866,606,541.96/385,246.08 - Step 6: Final answer
x = 222,887.68
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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.