Finding the Fourth Proportional to 453,318.06, 679,981.82 and 133,475.98
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Solution
The fourth proportional to 453,318.06, 679,981.82 and 133,475.98 is: 200,215.36
Step by Step Solution
- Step 1: Write the proportion equation
453,318.06 : 679,981.82 = 133,475.98 : x - Step 2: Convert to fraction form
453,318.06/679,981.82 = 133,475.98/x - Step 3: Cross multiply
453,318.06x = 679,981.82 × 133,475.98 - Step 4: Simplify right side
453,318.06x = 90,761,236,406.77 - Step 5: Solve for x
x = 90,761,236,406.77/453,318.06 - Step 6: Final answer
x = 200,215.36
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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.