Finding the Fourth Proportional to 152,549.12, 228,664.82 and 51,271.99
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Solution
The fourth proportional to 152,549.12, 228,664.82 and 51,271.99 is: 76,854.59
Step by Step Solution
- Step 1: Write the proportion equation
152,549.12 : 228,664.82 = 51,271.99 : x - Step 2: Convert to fraction form
152,549.12/228,664.82 = 51,271.99/x - Step 3: Cross multiply
152,549.12x = 228,664.82 × 51,271.99 - Step 4: Simplify right side
152,549.12x = 11,724,099,920.91 - Step 5: Solve for x
x = 11,724,099,920.91/152,549.12 - Step 6: Final answer
x = 76,854.59
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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.