Finding the Fourth Proportional to 102,602.56, 153,961.44 and 47,202.88
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Solution
The fourth proportional to 102,602.56, 153,961.44 and 47,202.88 is: 70,830.82
Step by Step Solution
- Step 1: Write the proportion equation
102,602.56 : 153,961.44 = 47,202.88 : x - Step 2: Convert to fraction form
102,602.56/153,961.44 = 47,202.88/x - Step 3: Cross multiply
102,602.56x = 153,961.44 × 47,202.88 - Step 4: Simplify right side
102,602.56x = 7,267,423,376.95 - Step 5: Solve for x
x = 7,267,423,376.95/102,602.56 - Step 6: Final answer
x = 70,830.82
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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.