Finding the Fourth Proportional to 406,237.77, 560,569.01 and 242,861.99
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Solution
The fourth proportional to 406,237.77, 560,569.01 and 242,861.99 is: 335,126.15
Step by Step Solution
- Step 1: Write the proportion equation
406,237.77 : 560,569.01 = 242,861.99 : x - Step 2: Convert to fraction form
406,237.77/560,569.01 = 242,861.99/x - Step 3: Cross multiply
406,237.77x = 560,569.01 × 242,861.99 - Step 4: Simplify right side
406,237.77x = 136,140,901,283.78 - Step 5: Solve for x
x = 136,140,901,283.78/406,237.77 - Step 6: Final answer
x = 335,126.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.