Finding the Fourth Proportional to 507,649.20, 700,555.68 and 303,708.75
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Solution
The fourth proportional to 507,649.20, 700,555.68 and 303,708.75 is: 419,117.95
Step by Step Solution
- Step 1: Write the proportion equation
507,649.20 : 700,555.68 = 303,708.75 : x - Step 2: Convert to fraction form
507,649.20/700,555.68 = 303,708.75/x - Step 3: Cross multiply
507,649.20x = 700,555.68 × 303,708.75 - Step 4: Simplify right side
507,649.20x = 212,764,889,878.20 - Step 5: Solve for x
x = 212,764,889,878.20/507,649.20 - Step 6: Final answer
x = 419,117.95
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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.