Finding the Fourth Proportional to 372,953.70, 559,430.55 and 173,207.70
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Solution
The fourth proportional to 372,953.70, 559,430.55 and 173,207.70 is: 259,811.55
Step by Step Solution
- Step 1: Write the proportion equation
372,953.70 : 559,430.55 = 173,207.70 : x - Step 2: Convert to fraction form
372,953.70/559,430.55 = 173,207.70/x - Step 3: Cross multiply
372,953.70x = 559,430.55 × 173,207.70 - Step 4: Simplify right side
372,953.70x = 96,897,678,875.24 - Step 5: Solve for x
x = 96,897,678,875.24/372,953.70 - Step 6: Final answer
x = 259,811.55
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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.