Finding the Fourth Proportional to 110,358.12, 152,283.66 and 61,948.96
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Solution
The fourth proportional to 110,358.12, 152,283.66 and 61,948.96 is: 85,483.65
Step by Step Solution
- Step 1: Write the proportion equation
110,358.12 : 152,283.66 = 61,948.96 : x - Step 2: Convert to fraction form
110,358.12/152,283.66 = 61,948.96/x - Step 3: Cross multiply
110,358.12x = 152,283.66 × 61,948.96 - Step 4: Simplify right side
110,358.12x = 9,433,814,361.99 - Step 5: Solve for x
x = 9,433,814,361.99/110,358.12 - Step 6: Final answer
x = 85,483.65
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1.5x scale
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.