Finding the Fourth Proportional to 341,426.62, 512,803.86 and 278,293.06
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Solution
The fourth proportional to 341,426.62, 512,803.86 and 278,293.06 is: 417,980.75
Step by Step Solution
- Step 1: Write the proportion equation
341,426.62 : 512,803.86 = 278,293.06 : x - Step 2: Convert to fraction form
341,426.62/512,803.86 = 278,293.06/x - Step 3: Cross multiply
341,426.62x = 512,803.86 × 278,293.06 - Step 4: Simplify right side
341,426.62x = 142,709,755,379.21 - Step 5: Solve for x
x = 142,709,755,379.21/341,426.62 - Step 6: Final answer
x = 417,980.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.