Finding the Fourth Proportional to 267,343.84, 368,929.68 and 158,521.42
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Solution
The fourth proportional to 267,343.84, 368,929.68 and 158,521.42 is: 218,756.70
Step by Step Solution
- Step 1: Write the proportion equation
267,343.84 : 368,929.68 = 158,521.42 : x - Step 2: Convert to fraction form
267,343.84/368,929.68 = 158,521.42/x - Step 3: Cross multiply
267,343.84x = 368,929.68 × 158,521.42 - Step 4: Simplify right side
267,343.84x = 58,483,256,753.75 - Step 5: Solve for x
x = 58,483,256,753.75/267,343.84 - Step 6: Final answer
x = 218,756.70
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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.