Finding the Fourth Proportional to 296,545.70, 444,818.55 and 288,769.70
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Solution
The fourth proportional to 296,545.70, 444,818.55 and 288,769.70 is: 433,154.55
Step by Step Solution
- Step 1: Write the proportion equation
296,545.70 : 444,818.55 = 288,769.70 : x - Step 2: Convert to fraction form
296,545.70/444,818.55 = 288,769.70/x - Step 3: Cross multiply
296,545.70x = 444,818.55 × 288,769.70 - Step 4: Simplify right side
296,545.70x = 128,450,119,237.94 - Step 5: Solve for x
x = 128,450,119,237.94/296,545.70 - Step 6: Final answer
x = 433,154.55
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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.