Finding the Fourth Proportional to 134,421.10, 201,631.65 and 92,430.70
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Solution
The fourth proportional to 134,421.10, 201,631.65 and 92,430.70 is: 138,646.05
Step by Step Solution
- Step 1: Write the proportion equation
134,421.10 : 201,631.65 = 92,430.70 : x - Step 2: Convert to fraction form
134,421.10/201,631.65 = 92,430.70/x - Step 3: Cross multiply
134,421.10x = 201,631.65 × 92,430.70 - Step 4: Simplify right side
134,421.10x = 18,636,954,551.66 - Step 5: Solve for x
x = 18,636,954,551.66/134,421.10 - Step 6: Final answer
x = 138,646.05
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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.