Finding the Fourth Proportional to 430,773.44, 646,160.24 and 193,839.30
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Solution
The fourth proportional to 430,773.44, 646,160.24 and 193,839.30 is: 290,758.99
Step by Step Solution
- Step 1: Write the proportion equation
430,773.44 : 646,160.24 = 193,839.30 : x - Step 2: Convert to fraction form
430,773.44/646,160.24 = 193,839.30/x - Step 3: Cross multiply
430,773.44x = 646,160.24 × 193,839.30 - Step 4: Simplify right side
430,773.44x = 125,251,249,094.03 - Step 5: Solve for x
x = 125,251,249,094.03/430,773.44 - Step 6: Final answer
x = 290,758.99
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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.