Finding the Fourth Proportional to 470,364.10, 705,572.88 and 133,378.08
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Solution
The fourth proportional to 470,364.10, 705,572.88 and 133,378.08 is: 200,074.69
Step by Step Solution
- Step 1: Write the proportion equation
470,364.10 : 705,572.88 = 133,378.08 : x - Step 2: Convert to fraction form
470,364.10/705,572.88 = 133,378.08/x - Step 3: Cross multiply
470,364.10x = 705,572.88 × 133,378.08 - Step 4: Simplify right side
470,364.10x = 94,107,952,888.40 - Step 5: Solve for x
x = 94,107,952,888.40/470,364.10 - Step 6: Final answer
x = 200,074.69
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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.