Finding the Fourth Proportional to 102,675.60, 154,011.24 and 47,271.60
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Solution
The fourth proportional to 102,675.60, 154,011.24 and 47,271.60 is: 70,906.41
Step by Step Solution
- Step 1: Write the proportion equation
102,675.60 : 154,011.24 = 47,271.60 : x - Step 2: Convert to fraction form
102,675.60/154,011.24 = 47,271.60/x - Step 3: Cross multiply
102,675.60x = 154,011.24 × 47,271.60 - Step 4: Simplify right side
102,675.60x = 7,280,357,732.78 - Step 5: Solve for x
x = 7,280,357,732.78/102,675.60 - Step 6: Final answer
x = 70,906.41
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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.