Finding the Fourth Proportional to 147,576.96, 203,655.24 and 83,914.76
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Solution
The fourth proportional to 147,576.96, 203,655.24 and 83,914.76 is: 115,801.82
Step by Step Solution
- Step 1: Write the proportion equation
147,576.96 : 203,655.24 = 83,914.76 : x - Step 2: Convert to fraction form
147,576.96/203,655.24 = 83,914.76/x - Step 3: Cross multiply
147,576.96x = 203,655.24 × 83,914.76 - Step 4: Simplify right side
147,576.96x = 17,089,680,587.34 - Step 5: Solve for x
x = 17,089,680,587.34/147,576.96 - Step 6: Final answer
x = 115,801.82
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1.5x scale
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.