Finding the Fourth Proportional to 310,010.68, 427,785.19 and 174,013.46
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Solution
The fourth proportional to 310,010.68, 427,785.19 and 174,013.46 is: 240,121.99
Step by Step Solution
- Step 1: Write the proportion equation
310,010.68 : 427,785.19 = 174,013.46 : x - Step 2: Convert to fraction form
310,010.68/427,785.19 = 174,013.46/x - Step 3: Cross multiply
310,010.68x = 427,785.19 × 174,013.46 - Step 4: Simplify right side
310,010.68x = 74,440,381,266.17 - Step 5: Solve for x
x = 74,440,381,266.17/310,010.68 - Step 6: Final answer
x = 240,121.99
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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.