Finding the Fourth Proportional to 430,534.06, 645,801.63 and 205,841.68
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Solution
The fourth proportional to 430,534.06, 645,801.63 and 205,841.68 is: 308,762.78
Step by Step Solution
- Step 1: Write the proportion equation
430,534.06 : 645,801.63 = 205,841.68 : x - Step 2: Convert to fraction form
430,534.06/645,801.63 = 205,841.68/x - Step 3: Cross multiply
430,534.06x = 645,801.63 × 205,841.68 - Step 4: Simplify right side
430,534.06x = 132,932,892,465.94 - Step 5: Solve for x
x = 132,932,892,465.94/430,534.06 - Step 6: Final answer
x = 308,762.78
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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.