Finding the Fourth Proportional to 642,246.74, 963,505.29 and 242,878.58
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Solution
The fourth proportional to 642,246.74, 963,505.29 and 242,878.58 is: 364,368.99
Step by Step Solution
- Step 1: Write the proportion equation
642,246.74 : 963,505.29 = 242,878.58 : x - Step 2: Convert to fraction form
642,246.74/963,505.29 = 242,878.58/x - Step 3: Cross multiply
642,246.74x = 963,505.29 × 242,878.58 - Step 4: Simplify right side
642,246.74x = 234,014,796,657.69 - Step 5: Solve for x
x = 234,014,796,657.69/642,246.74 - Step 6: Final answer
x = 364,368.99
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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.