Finding the Fourth Proportional to 250,721.84, 375,133.44 and 154,681.76
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Solution
The fourth proportional to 250,721.84, 375,133.44 and 154,681.76 is: 231,436.96
Step by Step Solution
- Step 1: Write the proportion equation
250,721.84 : 375,133.44 = 154,681.76 : x - Step 2: Convert to fraction form
250,721.84/375,133.44 = 154,681.76/x - Step 3: Cross multiply
250,721.84x = 375,133.44 × 154,681.76 - Step 4: Simplify right side
250,721.84x = 58,026,300,734.05 - Step 5: Solve for x
x = 58,026,300,734.05/250,721.84 - Step 6: Final answer
x = 231,436.96
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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.