Finding the Fourth Proportional to 157,491.40, 236,237.10 and 155,417.80
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Solution
The fourth proportional to 157,491.40, 236,237.10 and 155,417.80 is: 233,126.70
Step by Step Solution
- Step 1: Write the proportion equation
157,491.40 : 236,237.10 = 155,417.80 : x - Step 2: Convert to fraction form
157,491.40/236,237.10 = 155,417.80/x - Step 3: Cross multiply
157,491.40x = 236,237.10 × 155,417.80 - Step 4: Simplify right side
157,491.40x = 36,715,450,360.38 - Step 5: Solve for x
x = 36,715,450,360.38/157,491.40 - Step 6: Final answer
x = 233,126.70
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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.