Finding the Fourth Proportional to 430,496.28, 645,889.74 and 190,577.09
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Solution
The fourth proportional to 430,496.28, 645,889.74 and 190,577.09 is: 285,929.97
Step by Step Solution
- Step 1: Write the proportion equation
430,496.28 : 645,889.74 = 190,577.09 : x - Step 2: Convert to fraction form
430,496.28/645,889.74 = 190,577.09/x - Step 3: Cross multiply
430,496.28x = 645,889.74 × 190,577.09 - Step 4: Simplify right side
430,496.28x = 123,091,787,110.06 - Step 5: Solve for x
x = 123,091,787,110.06/430,496.28 - Step 6: Final answer
x = 285,929.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.