Finding the Fourth Proportional to 195,423.80, 293,135.70 and 133,215.80
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Solution
The fourth proportional to 195,423.80, 293,135.70 and 133,215.80 is: 199,823.70
Step by Step Solution
- Step 1: Write the proportion equation
195,423.80 : 293,135.70 = 133,215.80 : x - Step 2: Convert to fraction form
195,423.80/293,135.70 = 133,215.80/x - Step 3: Cross multiply
195,423.80x = 293,135.70 × 133,215.80 - Step 4: Simplify right side
195,423.80x = 39,050,306,784.06 - Step 5: Solve for x
x = 39,050,306,784.06/195,423.80 - Step 6: Final answer
x = 199,823.70
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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.