Finding the Fourth Proportional to 399,149.28, 598,722.84 and 162,435.96
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Solution
The fourth proportional to 399,149.28, 598,722.84 and 162,435.96 is: 243,653.50
Step by Step Solution
- Step 1: Write the proportion equation
399,149.28 : 598,722.84 = 162,435.96 : x - Step 2: Convert to fraction form
399,149.28/598,722.84 = 162,435.96/x - Step 3: Cross multiply
399,149.28x = 598,722.84 × 162,435.96 - Step 4: Simplify right side
399,149.28x = 97,254,119,289.33 - Step 5: Solve for x
x = 97,254,119,289.33/399,149.28 - Step 6: Final answer
x = 243,653.50
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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.