Finding the Fourth Proportional to 239,607.84, 330,644.64 and 132,178.08
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Solution
The fourth proportional to 239,607.84, 330,644.64 and 132,178.08 is: 182,397.93
Step by Step Solution
- Step 1: Write the proportion equation
239,607.84 : 330,644.64 = 132,178.08 : x - Step 2: Convert to fraction form
239,607.84/330,644.64 = 132,178.08/x - Step 3: Cross multiply
239,607.84x = 330,644.64 × 132,178.08 - Step 4: Simplify right side
239,607.84x = 43,703,973,677.49 - Step 5: Solve for x
x = 43,703,973,677.49/239,607.84 - Step 6: Final answer
x = 182,397.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.