Finding the Fourth Proportional to 153,824.70, 214,829.70 and 153,824.70
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Solution
The fourth proportional to 153,824.70, 214,829.70 and 153,824.70 is: 214,829.70
Step by Step Solution
- Step 1: Write the proportion equation
153,824.70 : 214,829.70 = 153,824.70 : x - Step 2: Convert to fraction form
153,824.70/214,829.70 = 153,824.70/x - Step 3: Cross multiply
153,824.70x = 214,829.70 × 153,824.70 - Step 4: Simplify right side
153,824.70x = 33,046,114,153.59 - Step 5: Solve for x
x = 33,046,114,153.59/153,824.70 - Step 6: Final answer
x = 214,829.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.