Finding the Fourth Proportional to 368,683.40, 552,139.18 and 210,432.08
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Solution
The fourth proportional to 368,683.40, 552,139.18 and 210,432.08 is: 315,142.47
Step by Step Solution
- Step 1: Write the proportion equation
368,683.40 : 552,139.18 = 210,432.08 : x - Step 2: Convert to fraction form
368,683.40/552,139.18 = 210,432.08/x - Step 3: Cross multiply
368,683.40x = 552,139.18 × 210,432.08 - Step 4: Simplify right side
368,683.40x = 116,187,796,096.89 - Step 5: Solve for x
x = 116,187,796,096.89/368,683.40 - Step 6: Final answer
x = 315,142.47
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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.