Finding the Fourth Proportional to 493,570.41, 740,355.71 and 178,027.28
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Solution
The fourth proportional to 493,570.41, 740,355.71 and 178,027.28 is: 267,040.95
Step by Step Solution
- Step 1: Write the proportion equation
493,570.41 : 740,355.71 = 178,027.28 : x - Step 2: Convert to fraction form
493,570.41/740,355.71 = 178,027.28/x - Step 3: Cross multiply
493,570.41x = 740,355.71 × 178,027.28 - Step 4: Simplify right side
493,570.41x = 131,803,512,469.59 - Step 5: Solve for x
x = 131,803,512,469.59/493,570.41 - Step 6: Final answer
x = 267,040.95
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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.