Finding the Fourth Proportional to 518,335.93, 777,451.34 and 139,207.41
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Solution
The fourth proportional to 518,335.93, 777,451.34 and 139,207.41 is: 208,797.00
Step by Step Solution
- Step 1: Write the proportion equation
518,335.93 : 777,451.34 = 139,207.41 : x - Step 2: Convert to fraction form
518,335.93/777,451.34 = 139,207.41/x - Step 3: Cross multiply
518,335.93x = 777,451.34 × 139,207.41 - Step 4: Simplify right side
518,335.93x = 108,226,987,398.93 - Step 5: Solve for x
x = 108,226,987,398.93/518,335.93 - Step 6: Final answer
x = 208,797.00
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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.