Finding the Fourth Proportional to 316,383.08, 436,541.13 and 187,362.09
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Solution
The fourth proportional to 316,383.08, 436,541.13 and 187,362.09 is: 258,519.70
Step by Step Solution
- Step 1: Write the proportion equation
316,383.08 : 436,541.13 = 187,362.09 : x - Step 2: Convert to fraction form
316,383.08/436,541.13 = 187,362.09/x - Step 3: Cross multiply
316,383.08x = 436,541.13 × 187,362.09 - Step 4: Simplify right side
316,383.08x = 81,791,258,487.76 - Step 5: Solve for x
x = 81,791,258,487.76/316,383.08 - Step 6: Final answer
x = 258,519.70
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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.