Finding the Fourth Proportional to 381,926.92, 572,890.62 and 145,214.92
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Solution
The fourth proportional to 381,926.92, 572,890.62 and 145,214.92 is: 217,822.47
Step by Step Solution
- Step 1: Write the proportion equation
381,926.92 : 572,890.62 = 145,214.92 : x - Step 2: Convert to fraction form
381,926.92/572,890.62 = 145,214.92/x - Step 3: Cross multiply
381,926.92x = 572,890.62 × 145,214.92 - Step 4: Simplify right side
381,926.92x = 83,192,265,552.05 - Step 5: Solve for x
x = 83,192,265,552.05/381,926.92 - Step 6: Final answer
x = 217,822.47
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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.