Finding the Fourth Proportional to 178,780.18, 246,718.21 and 98,209.34
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Solution
The fourth proportional to 178,780.18, 246,718.21 and 98,209.34 is: 135,529.75
Step by Step Solution
- Step 1: Write the proportion equation
178,780.18 : 246,718.21 = 98,209.34 : x - Step 2: Convert to fraction form
178,780.18/246,718.21 = 98,209.34/x - Step 3: Cross multiply
178,780.18x = 246,718.21 × 98,209.34 - Step 4: Simplify right side
178,780.18x = 24,230,032,570.08 - Step 5: Solve for x
x = 24,230,032,570.08/178,780.18 - Step 6: Final answer
x = 135,529.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.