Finding the Fourth Proportional to 392,303.36, 588,377.53 and 107,920.54
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Solution
The fourth proportional to 392,303.36, 588,377.53 and 107,920.54 is: 161,859.48
Step by Step Solution
- Step 1: Write the proportion equation
392,303.36 : 588,377.53 = 107,920.54 : x - Step 2: Convert to fraction form
392,303.36/588,377.53 = 107,920.54/x - Step 3: Cross multiply
392,303.36x = 588,377.53 × 107,920.54 - Step 4: Simplify right side
392,303.36x = 63,498,017,279.98 - Step 5: Solve for x
x = 63,498,017,279.98/392,303.36 - Step 6: Final answer
x = 161,859.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.