Finding the Fourth Proportional to 147,432.24, 203,295.70 and 99,602.54
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Solution
The fourth proportional to 147,432.24, 203,295.70 and 99,602.54 is: 137,342.88
Step by Step Solution
- Step 1: Write the proportion equation
147,432.24 : 203,295.70 = 99,602.54 : x - Step 2: Convert to fraction form
147,432.24/203,295.70 = 99,602.54/x - Step 3: Cross multiply
147,432.24x = 203,295.70 × 99,602.54 - Step 4: Simplify right side
147,432.24x = 20,248,768,091.08 - Step 5: Solve for x
x = 20,248,768,091.08/147,432.24 - Step 6: Final answer
x = 137,342.88
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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.