Finding the Fourth Proportional to 361,852.08, 542,394.80 and 121,737.30
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Solution
The fourth proportional to 361,852.08, 542,394.80 and 121,737.30 is: 182,476.99
Step by Step Solution
- Step 1: Write the proportion equation
361,852.08 : 542,394.80 = 121,737.30 : x - Step 2: Convert to fraction form
361,852.08/542,394.80 = 121,737.30/x - Step 3: Cross multiply
361,852.08x = 542,394.80 × 121,737.30 - Step 4: Simplify right side
361,852.08x = 66,029,678,486.04 - Step 5: Solve for x
x = 66,029,678,486.04/361,852.08 - Step 6: Final answer
x = 182,476.99
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1.5x scale
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.