Finding the Fourth Proportional to 152,574.21, 228,823.02 and 72,562.80
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Solution
The fourth proportional to 152,574.21, 228,823.02 and 72,562.80 is: 108,825.99
Step by Step Solution
- Step 1: Write the proportion equation
152,574.21 : 228,823.02 = 72,562.80 : x - Step 2: Convert to fraction form
152,574.21/228,823.02 = 72,562.80/x - Step 3: Cross multiply
152,574.21x = 228,823.02 × 72,562.80 - Step 4: Simplify right side
152,574.21x = 16,604,039,035.66 - Step 5: Solve for x
x = 16,604,039,035.66/152,574.21 - Step 6: Final answer
x = 108,825.99
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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.