Finding the Fourth Proportional to 493,660.19, 740,490.39 and 178,117.00
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Solution
The fourth proportional to 493,660.19, 740,490.39 and 178,117.00 is: 267,175.53
Step by Step Solution
- Step 1: Write the proportion equation
493,660.19 : 740,490.39 = 178,117.00 : x - Step 2: Convert to fraction form
493,660.19/740,490.39 = 178,117.00/x - Step 3: Cross multiply
493,660.19x = 740,490.39 × 178,117.00 - Step 4: Simplify right side
493,660.19x = 131,893,924,944.40 - Step 5: Solve for x
x = 131,893,924,944.40/493,660.19 - Step 6: Final answer
x = 267,175.53
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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.