Finding the Fourth Proportional to 253,040.78, 379,373.68 and 153,177.35
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Solution
The fourth proportional to 253,040.78, 379,373.68 and 153,177.35 is: 229,652.52
Step by Step Solution
- Step 1: Write the proportion equation
253,040.78 : 379,373.68 = 153,177.35 : x - Step 2: Convert to fraction form
253,040.78/379,373.68 = 153,177.35/x - Step 3: Cross multiply
253,040.78x = 379,373.68 × 153,177.35 - Step 4: Simplify right side
253,040.78x = 58,111,452,395.13 - Step 5: Solve for x
x = 58,111,452,395.13/253,040.78 - Step 6: Final answer
x = 229,652.52
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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.