Finding the Fourth Proportional to 178,108.04, 245,811.84 and 102,657.08
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Solution
The fourth proportional to 178,108.04, 245,811.84 and 102,657.08 is: 141,679.88
Step by Step Solution
- Step 1: Write the proportion equation
178,108.04 : 245,811.84 = 102,657.08 : x - Step 2: Convert to fraction form
178,108.04/245,811.84 = 102,657.08/x - Step 3: Cross multiply
178,108.04x = 245,811.84 × 102,657.08 - Step 4: Simplify right side
178,108.04x = 25,234,325,723.83 - Step 5: Solve for x
x = 25,234,325,723.83/178,108.04 - Step 6: Final answer
x = 141,679.88
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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.