Finding the Fourth Proportional to 101,385.84, 152,107.92 and 51,463.92
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Solution
The fourth proportional to 101,385.84, 152,107.92 and 51,463.92 is: 77,210.68
Step by Step Solution
- Step 1: Write the proportion equation
101,385.84 : 152,107.92 = 51,463.92 : x - Step 2: Convert to fraction form
101,385.84/152,107.92 = 51,463.92/x - Step 3: Cross multiply
101,385.84x = 152,107.92 × 51,463.92 - Step 4: Simplify right side
101,385.84x = 7,828,069,826.25 - Step 5: Solve for x
x = 7,828,069,826.25/101,385.84 - Step 6: Final answer
x = 77,210.68
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1.5x scale
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.