Finding the Fourth Proportional to 472,108.28, 708,371.74 and 247,415.30
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Solution
The fourth proportional to 472,108.28, 708,371.74 and 247,415.30 is: 371,232.65
Step by Step Solution
- Step 1: Write the proportion equation
472,108.28 : 708,371.74 = 247,415.30 : x - Step 2: Convert to fraction form
472,108.28/708,371.74 = 247,415.30/x - Step 3: Cross multiply
472,108.28x = 708,371.74 × 247,415.30 - Step 4: Simplify right side
472,108.28x = 175,262,006,563.62 - Step 5: Solve for x
x = 175,262,006,563.62/472,108.28 - Step 6: Final answer
x = 371,232.65
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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.