Finding the Fourth Proportional to 576,417.28, 864,657.44 and 239,491.99
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Solution
The fourth proportional to 576,417.28, 864,657.44 and 239,491.99 is: 359,251.09
Step by Step Solution
- Step 1: Write the proportion equation
576,417.28 : 864,657.44 = 239,491.99 : x - Step 2: Convert to fraction form
576,417.28/864,657.44 = 239,491.99/x - Step 3: Cross multiply
576,417.28x = 864,657.44 × 239,491.99 - Step 4: Simplify right side
576,417.28x = 207,078,531,938.09 - Step 5: Solve for x
x = 207,078,531,938.09/576,417.28 - Step 6: Final answer
x = 359,251.09
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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.