Finding the Fourth Proportional to 636,397.81, 954,596.35 and 187,122.40
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Solution
The fourth proportional to 636,397.81, 954,596.35 and 187,122.40 is: 280,683.49
Step by Step Solution
- Step 1: Write the proportion equation
636,397.81 : 954,596.35 = 187,122.40 : x - Step 2: Convert to fraction form
636,397.81/954,596.35 = 187,122.40/x - Step 3: Cross multiply
636,397.81x = 954,596.35 × 187,122.40 - Step 4: Simplify right side
636,397.81x = 178,626,360,043.24 - Step 5: Solve for x
x = 178,626,360,043.24/636,397.81 - Step 6: Final answer
x = 280,683.49
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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.