Finding the Fourth Proportional to 564,997.98, 847,498.35 and 138,535.68
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Solution
The fourth proportional to 564,997.98, 847,498.35 and 138,535.68 is: 207,803.86
Step by Step Solution
- Step 1: Write the proportion equation
564,997.98 : 847,498.35 = 138,535.68 : x - Step 2: Convert to fraction form
564,997.98/847,498.35 = 138,535.68/x - Step 3: Cross multiply
564,997.98x = 847,498.35 × 138,535.68 - Step 4: Simplify right side
564,997.98x = 117,408,760,216.13 - Step 5: Solve for x
x = 117,408,760,216.13/564,997.98 - Step 6: Final answer
x = 207,803.86
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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.