Finding the Fourth Proportional to 381,814.30, 572,575.53 and 125,587.26
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Solution
The fourth proportional to 381,814.30, 572,575.53 and 125,587.26 is: 188,332.89
Step by Step Solution
- Step 1: Write the proportion equation
381,814.30 : 572,575.53 = 125,587.26 : x - Step 2: Convert to fraction form
381,814.30/572,575.53 = 125,587.26/x - Step 3: Cross multiply
381,814.30x = 572,575.53 × 125,587.26 - Step 4: Simplify right side
381,814.30x = 71,908,191,955.75 - Step 5: Solve for x
x = 71,908,191,955.75/381,814.30 - Step 6: Final answer
x = 188,332.89
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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.