Finding the Fourth Proportional to 395,426.93, 592,740.99 and 155,709.05
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Solution
The fourth proportional to 395,426.93, 592,740.99 and 155,709.05 is: 233,406.29
Step by Step Solution
- Step 1: Write the proportion equation
395,426.93 : 592,740.99 = 155,709.05 : x - Step 2: Convert to fraction form
395,426.93/592,740.99 = 155,709.05/x - Step 3: Cross multiply
395,426.93x = 592,740.99 × 155,709.05 - Step 4: Simplify right side
395,426.93x = 92,295,133,485.25 - Step 5: Solve for x
x = 92,295,133,485.25/395,426.93 - Step 6: Final answer
x = 233,406.29
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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.