Finding the Fourth Proportional to 536,269.91, 740,103.87 and 306,781.62
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Solution
The fourth proportional to 536,269.91, 740,103.87 and 306,781.62 is: 423,388.03
Step by Step Solution
- Step 1: Write the proportion equation
536,269.91 : 740,103.87 = 306,781.62 : x - Step 2: Convert to fraction form
536,269.91/740,103.87 = 306,781.62/x - Step 3: Cross multiply
536,269.91x = 740,103.87 × 306,781.62 - Step 4: Simplify right side
536,269.91x = 227,050,262,672.96 - Step 5: Solve for x
x = 227,050,262,672.96/536,269.91 - Step 6: Final answer
x = 423,388.03
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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.