Finding the Fourth Proportional to 493,299.13, 680,753.40 and 266,944.63
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Solution
The fourth proportional to 493,299.13, 680,753.40 and 266,944.63 is: 368,383.91
Step by Step Solution
- Step 1: Write the proportion equation
493,299.13 : 680,753.40 = 266,944.63 : x - Step 2: Convert to fraction form
493,299.13/680,753.40 = 266,944.63/x - Step 3: Cross multiply
493,299.13x = 680,753.40 × 266,944.63 - Step 4: Simplify right side
493,299.13x = 181,723,464,484.24 - Step 5: Solve for x
x = 181,723,464,484.24/493,299.13 - Step 6: Final answer
x = 368,383.91
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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.