Finding the Fourth Proportional to 361,509.81, 542,340.58 and 108,808.79
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Solution
The fourth proportional to 361,509.81, 542,340.58 and 108,808.79 is: 163,236.02
Step by Step Solution
- Step 1: Write the proportion equation
361,509.81 : 542,340.58 = 108,808.79 : x - Step 2: Convert to fraction form
361,509.81/542,340.58 = 108,808.79/x - Step 3: Cross multiply
361,509.81x = 542,340.58 × 108,808.79 - Step 4: Simplify right side
361,509.81x = 59,011,423,614.95 - Step 5: Solve for x
x = 59,011,423,614.95/361,509.81 - Step 6: Final answer
x = 163,236.02
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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.