Finding the Fourth Proportional to 155,423.99, 233,209.79 and 66,702.86
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Solution
The fourth proportional to 155,423.99, 233,209.79 and 66,702.86 is: 100,085.96
Step by Step Solution
- Step 1: Write the proportion equation
155,423.99 : 233,209.79 = 66,702.86 : x - Step 2: Convert to fraction form
155,423.99/233,209.79 = 66,702.86/x - Step 3: Cross multiply
155,423.99x = 233,209.79 × 66,702.86 - Step 4: Simplify right side
155,423.99x = 15,555,758,473.44 - Step 5: Solve for x
x = 15,555,758,473.44/155,423.99 - Step 6: Final answer
x = 100,085.96
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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.