Finding the Fourth Proportional to 493,029.11, 739,822.51 and 268,405.08
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Solution
The fourth proportional to 493,029.11, 739,822.51 and 268,405.08 is: 402,759.42
Step by Step Solution
- Step 1: Write the proportion equation
493,029.11 : 739,822.51 = 268,405.08 : x - Step 2: Convert to fraction form
493,029.11/739,822.51 = 268,405.08/x - Step 3: Cross multiply
493,029.11x = 739,822.51 × 268,405.08 - Step 4: Simplify right side
493,029.11x = 198,572,117,543.52 - Step 5: Solve for x
x = 198,572,117,543.52/493,029.11 - Step 6: Final answer
x = 402,759.42
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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.