Finding the Fourth Proportional to 387,068.68, 580,671.06 and 176,727.88
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Solution
The fourth proportional to 387,068.68, 580,671.06 and 176,727.88 is: 265,122.89
Step by Step Solution
- Step 1: Write the proportion equation
387,068.68 : 580,671.06 = 176,727.88 : x - Step 2: Convert to fraction form
387,068.68/580,671.06 = 176,727.88/x - Step 3: Cross multiply
387,068.68x = 580,671.06 × 176,727.88 - Step 4: Simplify right side
387,068.68x = 102,620,765,411.15 - Step 5: Solve for x
x = 102,620,765,411.15/387,068.68 - Step 6: Final answer
x = 265,122.89
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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.