Finding the Fourth Proportional to 518,103.08, 777,154.62 and 307,632.68
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Solution
The fourth proportional to 518,103.08, 777,154.62 and 307,632.68 is: 461,449.01
Step by Step Solution
- Step 1: Write the proportion equation
518,103.08 : 777,154.62 = 307,632.68 : x - Step 2: Convert to fraction form
518,103.08/777,154.62 = 307,632.68/x - Step 3: Cross multiply
518,103.08x = 777,154.62 × 307,632.68 - Step 4: Simplify right side
518,103.08x = 239,078,153,101.05 - Step 5: Solve for x
x = 239,078,153,101.05/518,103.08 - Step 6: Final answer
x = 461,449.01
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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.