Finding the Fourth Proportional to 845,103.24, 1,166,272.36 and 463,130.06
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Solution
The fourth proportional to 845,103.24, 1,166,272.36 and 463,130.06 is: 639,135.85
Step by Step Solution
- Step 1: Write the proportion equation
845,103.24 : 1,166,272.36 = 463,130.06 : x - Step 2: Convert to fraction form
845,103.24/1,166,272.36 = 463,130.06/x - Step 3: Cross multiply
845,103.24x = 1,166,272.36 × 463,130.06 - Step 4: Simplify right side
845,103.24x = 540,135,781,073.96 - Step 5: Solve for x
x = 540,135,781,073.96/845,103.24 - Step 6: Final answer
x = 639,135.85
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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.