Finding the Fourth Proportional to 351,457.55, 485,013.73 and 190,312.62
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Solution
The fourth proportional to 351,457.55, 485,013.73 and 190,312.62 is: 262,632.66
Step by Step Solution
- Step 1: Write the proportion equation
351,457.55 : 485,013.73 = 190,312.62 : x - Step 2: Convert to fraction form
351,457.55/485,013.73 = 190,312.62/x - Step 3: Cross multiply
351,457.55x = 485,013.73 × 190,312.62 - Step 4: Simplify right side
351,457.55x = 92,304,231,267.20 - Step 5: Solve for x
x = 92,304,231,267.20/351,457.55 - Step 6: Final answer
x = 262,632.66
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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.