Finding the Fourth Proportional to 406,805.99, 609,520.05 and 246,397.23
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Solution
The fourth proportional to 406,805.99, 609,520.05 and 246,397.23 is: 369,178.57
Step by Step Solution
- Step 1: Write the proportion equation
406,805.99 : 609,520.05 = 246,397.23 : x - Step 2: Convert to fraction form
406,805.99/609,520.05 = 246,397.23/x - Step 3: Cross multiply
406,805.99x = 609,520.05 × 246,397.23 - Step 4: Simplify right side
406,805.99x = 150,184,051,949.46 - Step 5: Solve for x
x = 150,184,051,949.46/406,805.99 - Step 6: Final answer
x = 369,178.57
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1.5x scale
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.