Finding the Fourth Proportional to 493,711.46, 740,709.03 and 205,466.99
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Solution
The fourth proportional to 493,711.46, 740,709.03 and 205,466.99 is: 308,259.51
Step by Step Solution
- Step 1: Write the proportion equation
493,711.46 : 740,709.03 = 205,466.99 : x - Step 2: Convert to fraction form
493,711.46/740,709.03 = 205,466.99/x - Step 3: Cross multiply
493,711.46x = 740,709.03 × 205,466.99 - Step 4: Simplify right side
493,711.46x = 152,191,251,156.38 - Step 5: Solve for x
x = 152,191,251,156.38/493,711.46 - Step 6: Final answer
x = 308,259.51
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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.