Finding the Fourth Proportional to 452,729.70, 679,094.55 and 120,305.70
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Solution
The fourth proportional to 452,729.70, 679,094.55 and 120,305.70 is: 180,458.55
Step by Step Solution
- Step 1: Write the proportion equation
452,729.70 : 679,094.55 = 120,305.70 : x - Step 2: Convert to fraction form
452,729.70/679,094.55 = 120,305.70/x - Step 3: Cross multiply
452,729.70x = 679,094.55 × 120,305.70 - Step 4: Simplify right side
452,729.70x = 81,698,945,203.94 - Step 5: Solve for x
x = 81,698,945,203.94/452,729.70 - Step 6: Final answer
x = 180,458.55
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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.