Finding the Fourth Proportional to 469,756.65, 648,432.27 and 278,769.99
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Solution
The fourth proportional to 469,756.65, 648,432.27 and 278,769.99 is: 384,802.34
Step by Step Solution
- Step 1: Write the proportion equation
469,756.65 : 648,432.27 = 278,769.99 : x - Step 2: Convert to fraction form
469,756.65/648,432.27 = 278,769.99/x - Step 3: Cross multiply
469,756.65x = 648,432.27 × 278,769.99 - Step 4: Simplify right side
469,756.65x = 180,763,457,423.58 - Step 5: Solve for x
x = 180,763,457,423.58/469,756.65 - Step 6: Final answer
x = 384,802.34
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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.