Finding the Fourth Proportional to 434,678.88, 651,558.14 and 146,215.91
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Solution
The fourth proportional to 434,678.88, 651,558.14 and 146,215.91 is: 219,169.07
Step by Step Solution
- Step 1: Write the proportion equation
434,678.88 : 651,558.14 = 146,215.91 : x - Step 2: Convert to fraction form
434,678.88/651,558.14 = 146,215.91/x - Step 3: Cross multiply
434,678.88x = 651,558.14 × 146,215.91 - Step 4: Simplify right side
434,678.88x = 95,268,167,804.13 - Step 5: Solve for x
x = 95,268,167,804.13/434,678.88 - Step 6: Final answer
x = 219,169.07
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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.