Finding the Fourth Proportional to 832,415.72, 1,248,624.18 and 201,330.14
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Solution
The fourth proportional to 832,415.72, 1,248,624.18 and 201,330.14 is: 301,995.35
Step by Step Solution
- Step 1: Write the proportion equation
832,415.72 : 1,248,624.18 = 201,330.14 : x - Step 2: Convert to fraction form
832,415.72/1,248,624.18 = 201,330.14/x - Step 3: Cross multiply
832,415.72x = 1,248,624.18 × 201,330.14 - Step 4: Simplify right side
832,415.72x = 251,385,674,723.66 - Step 5: Solve for x
x = 251,385,674,723.66/832,415.72 - Step 6: Final answer
x = 301,995.35
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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.