Finding the Fourth Proportional to 393,762.13, 590,730.67 and 144,444.13
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Solution
The fourth proportional to 393,762.13, 590,730.67 and 144,444.13 is: 216,698.28
Step by Step Solution
- Step 1: Write the proportion equation
393,762.13 : 590,730.67 = 144,444.13 : x - Step 2: Convert to fraction form
393,762.13/590,730.67 = 144,444.13/x - Step 3: Cross multiply
393,762.13x = 590,730.67 × 144,444.13 - Step 4: Simplify right side
393,762.13x = 85,327,577,692.47 - Step 5: Solve for x
x = 85,327,577,692.47/393,762.13 - Step 6: Final answer
x = 216,698.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.