Finding the Fourth Proportional to 507,608.64, 700,484.76 and 278,163.18
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Solution
The fourth proportional to 507,608.64, 700,484.76 and 278,163.18 is: 383,856.88
Step by Step Solution
- Step 1: Write the proportion equation
507,608.64 : 700,484.76 = 278,163.18 : x - Step 2: Convert to fraction form
507,608.64/700,484.76 = 278,163.18/x - Step 3: Cross multiply
507,608.64x = 700,484.76 × 278,163.18 - Step 4: Simplify right side
507,608.64x = 194,849,068,383.14 - Step 5: Solve for x
x = 194,849,068,383.14/507,608.64 - Step 6: Final answer
x = 383,856.88
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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.