Finding the Fourth Proportional to 430,253.42, 645,355.47 and 164,040.80
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Solution
The fourth proportional to 430,253.42, 645,355.47 and 164,040.80 is: 246,051.80
Step by Step Solution
- Step 1: Write the proportion equation
430,253.42 : 645,355.47 = 164,040.80 : x - Step 2: Convert to fraction form
430,253.42/645,355.47 = 164,040.80/x - Step 3: Cross multiply
430,253.42x = 645,355.47 × 164,040.80 - Step 4: Simplify right side
430,253.42x = 105,864,627,583.18 - Step 5: Solve for x
x = 105,864,627,583.18/430,253.42 - Step 6: Final answer
x = 246,051.80
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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.