Finding the Fourth Proportional to 447,553.80, 671,330.70 and 258,337.80
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Solution
The fourth proportional to 447,553.80, 671,330.70 and 258,337.80 is: 387,506.70
Step by Step Solution
- Step 1: Write the proportion equation
447,553.80 : 671,330.70 = 258,337.80 : x - Step 2: Convert to fraction form
447,553.80/671,330.70 = 258,337.80/x - Step 3: Cross multiply
447,553.80x = 671,330.70 × 258,337.80 - Step 4: Simplify right side
447,553.80x = 173,430,096,110.46 - Step 5: Solve for x
x = 173,430,096,110.46/447,553.80 - Step 6: Final answer
x = 387,506.70
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1.5x scale
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.