Finding the Fourth Proportional to 347,862.24, 481,016.21 and 276,117.71
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Solution
The fourth proportional to 347,862.24, 481,016.21 and 276,117.71 is: 381,809.45
Step by Step Solution
- Step 1: Write the proportion equation
347,862.24 : 481,016.21 = 276,117.71 : x - Step 2: Convert to fraction form
347,862.24/481,016.21 = 276,117.71/x - Step 3: Cross multiply
347,862.24x = 481,016.21 × 276,117.71 - Step 4: Simplify right side
347,862.24x = 132,817,090,592.41 - Step 5: Solve for x
x = 132,817,090,592.41/347,862.24 - Step 6: Final answer
x = 381,809.45
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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.