Finding the Fourth Proportional to 292,154.64, 403,191.84 and 164,783.76
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Solution
The fourth proportional to 292,154.64, 403,191.84 and 164,783.76 is: 227,411.99
Step by Step Solution
- Step 1: Write the proportion equation
292,154.64 : 403,191.84 = 164,783.76 : x - Step 2: Convert to fraction form
292,154.64/403,191.84 = 164,783.76/x - Step 3: Cross multiply
292,154.64x = 403,191.84 × 164,783.76 - Step 4: Simplify right side
292,154.64x = 66,439,467,396.52 - Step 5: Solve for x
x = 66,439,467,396.52/292,154.64 - Step 6: Final answer
x = 227,411.99
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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.