Finding the Fourth Proportional to 469,730.09, 648,395.67 and 278,743.49
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Solution
The fourth proportional to 469,730.09, 648,395.67 and 278,743.49 is: 384,765.80
Step by Step Solution
- Step 1: Write the proportion equation
469,730.09 : 648,395.67 = 278,743.49 : x - Step 2: Convert to fraction form
469,730.09/648,395.67 = 278,743.49/x - Step 3: Cross multiply
469,730.09x = 648,395.67 × 278,743.49 - Step 4: Simplify right side
469,730.09x = 180,736,071,956.69 - Step 5: Solve for x
x = 180,736,071,956.69/469,730.09 - Step 6: Final answer
x = 384,765.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.