Finding the Fourth Proportional to 343,752.05, 515,642.06 and 163,744.94
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Solution
The fourth proportional to 343,752.05, 515,642.06 and 163,744.94 is: 245,624.07
Step by Step Solution
- Step 1: Write the proportion equation
343,752.05 : 515,642.06 = 163,744.94 : x - Step 2: Convert to fraction form
343,752.05/515,642.06 = 163,744.94/x - Step 3: Cross multiply
343,752.05x = 515,642.06 × 163,744.94 - Step 4: Simplify right side
343,752.05x = 84,433,779,874.64 - Step 5: Solve for x
x = 84,433,779,874.64/343,752.05 - Step 6: Final answer
x = 245,624.07
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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.