Finding the Fourth Proportional to 185,643.12, 256,161.24 and 110,221.68
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Solution
The fourth proportional to 185,643.12, 256,161.24 and 110,221.68 is: 152,090.32
Step by Step Solution
- Step 1: Write the proportion equation
185,643.12 : 256,161.24 = 110,221.68 : x - Step 2: Convert to fraction form
185,643.12/256,161.24 = 110,221.68/x - Step 3: Cross multiply
185,643.12x = 256,161.24 × 110,221.68 - Step 4: Simplify right side
185,643.12x = 28,234,522,223.68 - Step 5: Solve for x
x = 28,234,522,223.68/185,643.12 - Step 6: Final answer
x = 152,090.32
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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.