Finding the Fourth Proportional to 164,913.68, 246,985.44 and 120,430.08
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Solution
The fourth proportional to 164,913.68, 246,985.44 and 120,430.08 is: 180,363.91
Step by Step Solution
- Step 1: Write the proportion equation
164,913.68 : 246,985.44 = 120,430.08 : x - Step 2: Convert to fraction form
164,913.68/246,985.44 = 120,430.08/x - Step 3: Cross multiply
164,913.68x = 246,985.44 × 120,430.08 - Step 4: Simplify right side
164,913.68x = 29,744,476,298.04 - Step 5: Solve for x
x = 29,744,476,298.04/164,913.68 - Step 6: Final answer
x = 180,363.91
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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.