Finding the Fourth Proportional to 452,438.24, 624,392.88 and 251,235.68
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Solution
The fourth proportional to 452,438.24, 624,392.88 and 251,235.68 is: 346,720.85
Step by Step Solution
- Step 1: Write the proportion equation
452,438.24 : 624,392.88 = 251,235.68 : x - Step 2: Convert to fraction form
452,438.24/624,392.88 = 251,235.68/x - Step 3: Cross multiply
452,438.24x = 624,392.88 × 251,235.68 - Step 4: Simplify right side
452,438.24x = 156,869,769,793.96 - Step 5: Solve for x
x = 156,869,769,793.96/452,438.24 - Step 6: Final answer
x = 346,720.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.