Finding the Fourth Proportional to 307,430.10, 460,926.45 and 117,817.20
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Solution
The fourth proportional to 307,430.10, 460,926.45 and 117,817.20 is: 176,641.99
Step by Step Solution
- Step 1: Write the proportion equation
307,430.10 : 460,926.45 = 117,817.20 : x - Step 2: Convert to fraction form
307,430.10/460,926.45 = 117,817.20/x - Step 3: Cross multiply
307,430.10x = 460,926.45 × 117,817.20 - Step 4: Simplify right side
307,430.10x = 54,305,063,744.94 - Step 5: Solve for x
x = 54,305,063,744.94/307,430.10 - Step 6: Final answer
x = 176,641.99
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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.