Finding the Fourth Proportional to 157,435.74, 236,154.67 and 57,554.84
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Solution
The fourth proportional to 157,435.74, 236,154.67 and 57,554.84 is: 86,332.65
Step by Step Solution
- Step 1: Write the proportion equation
157,435.74 : 236,154.67 = 57,554.84 : x - Step 2: Convert to fraction form
157,435.74/236,154.67 = 57,554.84/x - Step 3: Cross multiply
157,435.74x = 236,154.67 × 57,554.84 - Step 4: Simplify right side
157,435.74x = 13,591,844,247.10 - Step 5: Solve for x
x = 13,591,844,247.10/157,435.74 - Step 6: Final answer
x = 86,332.65
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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.