Finding the Fourth Proportional to 368,671.38, 552,121.20 and 210,420.06
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Solution
The fourth proportional to 368,671.38, 552,121.20 and 210,420.06 is: 315,124.48
Step by Step Solution
- Step 1: Write the proportion equation
368,671.38 : 552,121.20 = 210,420.06 : x - Step 2: Convert to fraction form
368,671.38/552,121.20 = 210,420.06/x - Step 3: Cross multiply
368,671.38x = 552,121.20 × 210,420.06 - Step 4: Simplify right side
368,671.38x = 116,177,376,031.27 - Step 5: Solve for x
x = 116,177,376,031.27/368,671.38 - Step 6: Final answer
x = 315,124.48
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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.