Finding the Fourth Proportional to 399,438.68, 599,158.02 and 162,739.68
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Solution
The fourth proportional to 399,438.68, 599,158.02 and 162,739.68 is: 244,109.52
Step by Step Solution
- Step 1: Write the proportion equation
399,438.68 : 599,158.02 = 162,739.68 : x - Step 2: Convert to fraction form
399,438.68/599,158.02 = 162,739.68/x - Step 3: Cross multiply
399,438.68x = 599,158.02 × 162,739.68 - Step 4: Simplify right side
399,438.68x = 97,506,784,444.23 - Step 5: Solve for x
x = 97,506,784,444.23/399,438.68 - Step 6: Final answer
x = 244,109.52
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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.