Finding the Fourth Proportional to 178,888.57, 246,872.15 and 98,318.95
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Solution
The fourth proportional to 178,888.57, 246,872.15 and 98,318.95 is: 135,683.41
Step by Step Solution
- Step 1: Write the proportion equation
178,888.57 : 246,872.15 = 98,318.95 : x - Step 2: Convert to fraction form
178,888.57/246,872.15 = 98,318.95/x - Step 3: Cross multiply
178,888.57x = 246,872.15 × 98,318.95 - Step 4: Simplify right side
178,888.57x = 24,272,210,572.24 - Step 5: Solve for x
x = 24,272,210,572.24/178,888.57 - Step 6: Final answer
x = 135,683.41
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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.