Finding the Fourth Proportional to 552,245.80, 828,368.70 and 272,309.80
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Solution
The fourth proportional to 552,245.80, 828,368.70 and 272,309.80 is: 408,464.70
Step by Step Solution
- Step 1: Write the proportion equation
552,245.80 : 828,368.70 = 272,309.80 : x - Step 2: Convert to fraction form
552,245.80/828,368.70 = 272,309.80/x - Step 3: Cross multiply
552,245.80x = 828,368.70 × 272,309.80 - Step 4: Simplify right side
552,245.80x = 225,572,915,023.26 - Step 5: Solve for x
x = 225,572,915,023.26/552,245.80 - Step 6: Final answer
x = 408,464.70
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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.