Finding the Fourth Proportional to 450,432.05, 675,753.21 and 130,590.59
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Solution
The fourth proportional to 450,432.05, 675,753.21 and 130,590.59 is: 195,916.37
Step by Step Solution
- Step 1: Write the proportion equation
450,432.05 : 675,753.21 = 130,590.59 : x - Step 2: Convert to fraction form
450,432.05/675,753.21 = 130,590.59/x - Step 3: Cross multiply
450,432.05x = 675,753.21 × 130,590.59 - Step 4: Simplify right side
450,432.05x = 88,247,010,388.29 - Step 5: Solve for x
x = 88,247,010,388.29/450,432.05 - Step 6: Final answer
x = 195,916.37
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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.