Finding the Fourth Proportional to 392,848.08, 542,130.44 and 214,000.08
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Solution
The fourth proportional to 392,848.08, 542,130.44 and 214,000.08 is: 295,320.16
Step by Step Solution
- Step 1: Write the proportion equation
392,848.08 : 542,130.44 = 214,000.08 : x - Step 2: Convert to fraction form
392,848.08/542,130.44 = 214,000.08/x - Step 3: Cross multiply
392,848.08x = 542,130.44 × 214,000.08 - Step 4: Simplify right side
392,848.08x = 116,015,957,530.44 - Step 5: Solve for x
x = 116,015,957,530.44/392,848.08 - Step 6: Final answer
x = 295,320.16
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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.