Finding the Fourth Proportional to 469,740.62, 648,410.16 and 278,753.99
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Solution
The fourth proportional to 469,740.62, 648,410.16 and 278,753.99 is: 384,780.26
Step by Step Solution
- Step 1: Write the proportion equation
469,740.62 : 648,410.16 = 278,753.99 : x - Step 2: Convert to fraction form
469,740.62/648,410.16 = 278,753.99/x - Step 3: Cross multiply
469,740.62x = 648,410.16 × 278,753.99 - Step 4: Simplify right side
469,740.62x = 180,746,919,256.54 - Step 5: Solve for x
x = 180,746,919,256.54/469,740.62 - Step 6: Final answer
x = 384,780.26
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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.