Finding the Fourth Proportional to 477,135.20, 715,702.80 and 228,303.20
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Solution
The fourth proportional to 477,135.20, 715,702.80 and 228,303.20 is: 342,454.80
Step by Step Solution
- Step 1: Write the proportion equation
477,135.20 : 715,702.80 = 228,303.20 : x - Step 2: Convert to fraction form
477,135.20/715,702.80 = 228,303.20/x - Step 3: Cross multiply
477,135.20x = 715,702.80 × 228,303.20 - Step 4: Simplify right side
477,135.20x = 163,397,239,488.96 - Step 5: Solve for x
x = 163,397,239,488.96/477,135.20 - Step 6: Final answer
x = 342,454.80
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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.