Finding the Fourth Proportional to 493,718.38, 740,605.20 and 138,704.70
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Solution
The fourth proportional to 493,718.38, 740,605.20 and 138,704.70 is: 208,064.81
Step by Step Solution
- Step 1: Write the proportion equation
493,718.38 : 740,605.20 = 138,704.70 : x - Step 2: Convert to fraction form
493,718.38/740,605.20 = 138,704.70/x - Step 3: Cross multiply
493,718.38x = 740,605.20 × 138,704.70 - Step 4: Simplify right side
493,718.38x = 102,725,422,084.44 - Step 5: Solve for x
x = 102,725,422,084.44/493,718.38 - Step 6: Final answer
x = 208,064.81
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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.