Finding the Fourth Proportional to 359,395.74, 539,036.46 and 119,489.70
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Solution
The fourth proportional to 359,395.74, 539,036.46 and 119,489.70 is: 179,215.55
Step by Step Solution
- Step 1: Write the proportion equation
359,395.74 : 539,036.46 = 119,489.70 : x - Step 2: Convert to fraction form
359,395.74/539,036.46 = 119,489.70/x - Step 3: Cross multiply
359,395.74x = 539,036.46 × 119,489.70 - Step 4: Simplify right side
359,395.74x = 64,409,304,894.46 - Step 5: Solve for x
x = 64,409,304,894.46/359,395.74 - Step 6: Final answer
x = 179,215.55
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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.