Finding the Fourth Proportional to 268,532.41, 370,469.84 and 153,749.71
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Solution
The fourth proportional to 268,532.41, 370,469.84 and 153,749.71 is: 212,114.55
Step by Step Solution
- Step 1: Write the proportion equation
268,532.41 : 370,469.84 = 153,749.71 : x - Step 2: Convert to fraction form
268,532.41/370,469.84 = 153,749.71/x - Step 3: Cross multiply
268,532.41x = 370,469.84 × 153,749.71 - Step 4: Simplify right side
268,532.41x = 56,959,630,577.22 - Step 5: Solve for x
x = 56,959,630,577.22/268,532.41 - Step 6: Final answer
x = 212,114.55
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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.