Finding the Fourth Proportional to 112,501.74, 155,246.68 and 62,191.02
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Solution
The fourth proportional to 112,501.74, 155,246.68 and 62,191.02 is: 85,820.44
Step by Step Solution
- Step 1: Write the proportion equation
112,501.74 : 155,246.68 = 62,191.02 : x - Step 2: Convert to fraction form
112,501.74/155,246.68 = 62,191.02/x - Step 3: Cross multiply
112,501.74x = 155,246.68 × 62,191.02 - Step 4: Simplify right side
112,501.74x = 9,654,949,380.81 - Step 5: Solve for x
x = 9,654,949,380.81/112,501.74 - Step 6: Final answer
x = 85,820.44
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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.