Finding the Fourth Proportional to 386,275.44, 579,271.08 and 133,492.08
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Solution
The fourth proportional to 386,275.44, 579,271.08 and 133,492.08 is: 200,189.02
Step by Step Solution
- Step 1: Write the proportion equation
386,275.44 : 579,271.08 = 133,492.08 : x - Step 2: Convert to fraction form
386,275.44/579,271.08 = 133,492.08/x - Step 3: Cross multiply
386,275.44x = 579,271.08 × 133,492.08 - Step 4: Simplify right side
386,275.44x = 77,328,101,353.05 - Step 5: Solve for x
x = 77,328,101,353.05/386,275.44 - Step 6: Final answer
x = 200,189.02
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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.