Finding the Fourth Proportional to 507,481.61, 700,316.96 and 278,037.09
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Solution
The fourth proportional to 507,481.61, 700,316.96 and 278,037.09 is: 383,686.99
Step by Step Solution
- Step 1: Write the proportion equation
507,481.61 : 700,316.96 = 278,037.09 : x - Step 2: Convert to fraction form
507,481.61/700,316.96 = 278,037.09/x - Step 3: Cross multiply
507,481.61x = 700,316.96 × 278,037.09 - Step 4: Simplify right side
507,481.61x = 194,714,088,245.86 - Step 5: Solve for x
x = 194,714,088,245.86/507,481.61 - Step 6: Final answer
x = 383,686.99
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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.