Finding the Fourth Proportional to 440,014.80, 658,855.80 and 346,702.80
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Solution
The fourth proportional to 440,014.80, 658,855.80 and 346,702.80 is: 519,135.15
Step by Step Solution
- Step 1: Write the proportion equation
440,014.80 : 658,855.80 = 346,702.80 : x - Step 2: Convert to fraction form
440,014.80/658,855.80 = 346,702.80/x - Step 3: Cross multiply
440,014.80x = 658,855.80 × 346,702.80 - Step 4: Simplify right side
440,014.80x = 228,427,150,656.24 - Step 5: Solve for x
x = 228,427,150,656.24/440,014.80 - Step 6: Final answer
x = 519,135.15
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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.