Finding the Fourth Proportional to 101,470.12, 152,206.21 and 45,313.09
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Solution
The fourth proportional to 101,470.12, 152,206.21 and 45,313.09 is: 67,970.09
Step by Step Solution
- Step 1: Write the proportion equation
101,470.12 : 152,206.21 = 45,313.09 : x - Step 2: Convert to fraction form
101,470.12/152,206.21 = 45,313.09/x - Step 3: Cross multiply
101,470.12x = 152,206.21 × 45,313.09 - Step 4: Simplify right side
101,470.12x = 6,896,933,692.29 - Step 5: Solve for x
x = 6,896,933,692.29/101,470.12 - Step 6: Final answer
x = 67,970.09
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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.