Finding the Fourth Proportional to 457,217.84, 685,885.08 and 141,693.68
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Solution
The fourth proportional to 457,217.84, 685,885.08 and 141,693.68 is: 212,558.59
Step by Step Solution
- Step 1: Write the proportion equation
457,217.84 : 685,885.08 = 141,693.68 : x - Step 2: Convert to fraction form
457,217.84/685,885.08 = 141,693.68/x - Step 3: Cross multiply
457,217.84x = 685,885.08 × 141,693.68 - Step 4: Simplify right side
457,217.84x = 97,185,581,042.29 - Step 5: Solve for x
x = 97,185,581,042.29/457,217.84 - Step 6: Final answer
x = 212,558.59
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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.