Finding the Fourth Proportional to 215,432.16, 297,219.44 and 124,738.62
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Solution
The fourth proportional to 215,432.16, 297,219.44 and 124,738.62 is: 172,094.75
Step by Step Solution
- Step 1: Write the proportion equation
215,432.16 : 297,219.44 = 124,738.62 : x - Step 2: Convert to fraction form
215,432.16/297,219.44 = 124,738.62/x - Step 3: Cross multiply
215,432.16x = 297,219.44 × 124,738.62 - Step 4: Simplify right side
215,432.16x = 37,074,742,782.77 - Step 5: Solve for x
x = 37,074,742,782.77/215,432.16 - Step 6: Final answer
x = 172,094.75
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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.