Finding the Fourth Proportional to 359,430.10, 539,052.85 and 106,650.79
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Solution
The fourth proportional to 359,430.10, 539,052.85 and 106,650.79 is: 159,948.80
Step by Step Solution
- Step 1: Write the proportion equation
359,430.10 : 539,052.85 = 106,650.79 : x - Step 2: Convert to fraction form
359,430.10/539,052.85 = 106,650.79/x - Step 3: Cross multiply
359,430.10x = 539,052.85 × 106,650.79 - Step 4: Simplify right side
359,430.10x = 57,490,412,304.25 - Step 5: Solve for x
x = 57,490,412,304.25/359,430.10 - Step 6: Final answer
x = 159,948.80
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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.