Finding the Fourth Proportional to 628,475.64, 942,715.44 and 155,161.08
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Solution
The fourth proportional to 628,475.64, 942,715.44 and 155,161.08 is: 232,742.11
Step by Step Solution
- Step 1: Write the proportion equation
628,475.64 : 942,715.44 = 155,161.08 : x - Step 2: Convert to fraction form
628,475.64/942,715.44 = 155,161.08/x - Step 3: Cross multiply
628,475.64x = 942,715.44 × 155,161.08 - Step 4: Simplify right side
628,475.64x = 146,272,745,803.08 - Step 5: Solve for x
x = 146,272,745,803.08/628,475.64 - Step 6: Final answer
x = 232,742.11
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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.