Finding the Fourth Proportional to 381,275.88, 526,223.79 and 211,564.68
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Solution
The fourth proportional to 381,275.88, 526,223.79 and 211,564.68 is: 291,994.26
Step by Step Solution
- Step 1: Write the proportion equation
381,275.88 : 526,223.79 = 211,564.68 : x - Step 2: Convert to fraction form
381,275.88/526,223.79 = 211,564.68/x - Step 3: Cross multiply
381,275.88x = 526,223.79 × 211,564.68 - Step 4: Simplify right side
381,275.88x = 111,330,367,739.74 - Step 5: Solve for x
x = 111,330,367,739.74/381,275.88 - Step 6: Final answer
x = 291,994.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.