Finding the Fourth Proportional to 278,294.26, 417,501.87 and 91,298.74
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Solution
The fourth proportional to 278,294.26, 417,501.87 and 91,298.74 is: 136,967.95
Step by Step Solution
- Step 1: Write the proportion equation
278,294.26 : 417,501.87 = 91,298.74 : x - Step 2: Convert to fraction form
278,294.26/417,501.87 = 91,298.74/x - Step 3: Cross multiply
278,294.26x = 417,501.87 × 91,298.74 - Step 4: Simplify right side
278,294.26x = 38,117,394,678.64 - Step 5: Solve for x
x = 38,117,394,678.64/278,294.26 - Step 6: Final answer
x = 136,967.95
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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.