Finding the Fourth Proportional to 320,888.08, 442,686.49 and 193,492.90
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Solution
The fourth proportional to 320,888.08, 442,686.49 and 193,492.90 is: 266,936.35
Step by Step Solution
- Step 1: Write the proportion equation
320,888.08 : 442,686.49 = 193,492.90 : x - Step 2: Convert to fraction form
320,888.08/442,686.49 = 193,492.90/x - Step 3: Cross multiply
320,888.08x = 442,686.49 × 193,492.90 - Step 4: Simplify right side
320,888.08x = 85,656,692,740.92 - Step 5: Solve for x
x = 85,656,692,740.92/320,888.08 - Step 6: Final answer
x = 266,936.35
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1.5x scale
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.