Finding the Fourth Proportional to 361,475.19, 542,298.65 and 124,819.83
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Solution
The fourth proportional to 361,475.19, 542,298.65 and 124,819.83 is: 187,259.39
Step by Step Solution
- Step 1: Write the proportion equation
361,475.19 : 542,298.65 = 124,819.83 : x - Step 2: Convert to fraction form
361,475.19/542,298.65 = 124,819.83/x - Step 3: Cross multiply
361,475.19x = 542,298.65 × 124,819.83 - Step 4: Simplify right side
361,475.19x = 67,689,624,678.13 - Step 5: Solve for x
x = 67,689,624,678.13/361,475.19 - Step 6: Final answer
x = 187,259.39
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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.