Finding the Fourth Proportional to 631,862.06, 947,842.06 and 211,139.42
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Solution
The fourth proportional to 631,862.06, 947,842.06 and 211,139.42 is: 316,725.49
Step by Step Solution
- Step 1: Write the proportion equation
631,862.06 : 947,842.06 = 211,139.42 : x - Step 2: Convert to fraction form
631,862.06/947,842.06 = 211,139.42/x - Step 3: Cross multiply
631,862.06x = 947,842.06 × 211,139.42 - Step 4: Simplify right side
631,862.06x = 200,126,822,800.01 - Step 5: Solve for x
x = 200,126,822,800.01/631,862.06 - Step 6: Final answer
x = 316,725.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.