Finding the Fourth Proportional to 410,367.21, 566,291.88 and 257,487.81
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Solution
The fourth proportional to 410,367.21, 566,291.88 and 257,487.81 is: 355,323.85
Step by Step Solution
- Step 1: Write the proportion equation
410,367.21 : 566,291.88 = 257,487.81 : x - Step 2: Convert to fraction form
410,367.21/566,291.88 = 257,487.81/x - Step 3: Cross multiply
410,367.21x = 566,291.88 × 257,487.81 - Step 4: Simplify right side
410,367.21x = 145,813,256,001.98 - Step 5: Solve for x
x = 145,813,256,001.98/410,367.21 - Step 6: Final answer
x = 355,323.85
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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.