Finding the Fourth Proportional to 150,214.06, 207,318.17 and 85,682.98
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Solution
The fourth proportional to 150,214.06, 207,318.17 and 85,682.98 is: 118,255.49
Step by Step Solution
- Step 1: Write the proportion equation
150,214.06 : 207,318.17 = 85,682.98 : x - Step 2: Convert to fraction form
150,214.06/207,318.17 = 85,682.98/x - Step 3: Cross multiply
150,214.06x = 207,318.17 × 85,682.98 - Step 4: Simplify right side
150,214.06x = 17,763,637,148.74 - Step 5: Solve for x
x = 17,763,637,148.74/150,214.06 - Step 6: Final answer
x = 118,255.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.