Finding the Fourth Proportional to 178,056.41, 245,731.49 and 101,577.19
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Solution
The fourth proportional to 178,056.41, 245,731.49 and 101,577.19 is: 140,184.31
Step by Step Solution
- Step 1: Write the proportion equation
178,056.41 : 245,731.49 = 101,577.19 : x - Step 2: Convert to fraction form
178,056.41/245,731.49 = 101,577.19/x - Step 3: Cross multiply
178,056.41x = 245,731.49 × 101,577.19 - Step 4: Simplify right side
178,056.41x = 24,960,714,248.71 - Step 5: Solve for x
x = 24,960,714,248.71/178,056.41 - Step 6: Final answer
x = 140,184.31
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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.