Finding the Fourth Proportional to 499,899.93, 689,860.01 and 270,456.50
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Solution
The fourth proportional to 499,899.93, 689,860.01 and 270,456.50 is: 373,228.94
Step by Step Solution
- Step 1: Write the proportion equation
499,899.93 : 689,860.01 = 270,456.50 : x - Step 2: Convert to fraction form
499,899.93/689,860.01 = 270,456.50/x - Step 3: Cross multiply
499,899.93x = 689,860.01 × 270,456.50 - Step 4: Simplify right side
499,899.93x = 186,577,118,992.98 - Step 5: Solve for x
x = 186,577,118,992.98/499,899.93 - Step 6: Final answer
x = 373,228.94
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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.