Finding the Fourth Proportional to 613,722.96, 920,594.16 and 187,267.68
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Solution
The fourth proportional to 613,722.96, 920,594.16 and 187,267.68 is: 280,904.49
Step by Step Solution
- Step 1: Write the proportion equation
613,722.96 : 920,594.16 = 187,267.68 : x - Step 2: Convert to fraction form
613,722.96/920,594.16 = 187,267.68/x - Step 3: Cross multiply
613,722.96x = 920,594.16 × 187,267.68 - Step 4: Simplify right side
613,722.96x = 172,397,532,564.75 - Step 5: Solve for x
x = 172,397,532,564.75/613,722.96 - Step 6: Final answer
x = 280,904.49
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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.