Finding the Fourth Proportional to 667,029.23, 1,000,430.39 and 187,146.75
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Solution
The fourth proportional to 667,029.23, 1,000,430.39 and 187,146.75 is: 280,688.30
Step by Step Solution
- Step 1: Write the proportion equation
667,029.23 : 1,000,430.39 = 187,146.75 : x - Step 2: Convert to fraction form
667,029.23/1,000,430.39 = 187,146.75/x - Step 3: Cross multiply
667,029.23x = 1,000,430.39 × 187,146.75 - Step 4: Simplify right side
667,029.23x = 187,227,300,309.21 - Step 5: Solve for x
x = 187,227,300,309.21/667,029.23 - Step 6: Final answer
x = 280,688.30
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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.