Finding the Fourth Proportional to 461,729.70, 692,594.55 and 212,897.70
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Solution
The fourth proportional to 461,729.70, 692,594.55 and 212,897.70 is: 319,346.55
Step by Step Solution
- Step 1: Write the proportion equation
461,729.70 : 692,594.55 = 212,897.70 : x - Step 2: Convert to fraction form
461,729.70/692,594.55 = 212,897.70/x - Step 3: Cross multiply
461,729.70x = 692,594.55 × 212,897.70 - Step 4: Simplify right side
461,729.70x = 147,451,786,727.54 - Step 5: Solve for x
x = 147,451,786,727.54/461,729.70 - Step 6: Final answer
x = 319,346.55
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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.