Finding the Fourth Proportional to 381,555.36, 572,337.36 and 115,318.08
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Solution
The fourth proportional to 381,555.36, 572,337.36 and 115,318.08 is: 172,978.43
Step by Step Solution
- Step 1: Write the proportion equation
381,555.36 : 572,337.36 = 115,318.08 : x - Step 2: Convert to fraction form
381,555.36/572,337.36 = 115,318.08/x - Step 3: Cross multiply
381,555.36x = 572,337.36 × 115,318.08 - Step 4: Simplify right side
381,555.36x = 66,000,845,467.47 - Step 5: Solve for x
x = 66,000,845,467.47/381,555.36 - Step 6: Final answer
x = 172,978.43
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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.