Finding the Fourth Proportional to 542,906.05, 814,365.35 and 163,830.07
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Solution
The fourth proportional to 542,906.05, 814,365.35 and 163,830.07 is: 245,746.99
Step by Step Solution
- Step 1: Write the proportion equation
542,906.05 : 814,365.35 = 163,830.07 : x - Step 2: Convert to fraction form
542,906.05/814,365.35 = 163,830.07/x - Step 3: Cross multiply
542,906.05x = 814,365.35 × 163,830.07 - Step 4: Simplify right side
542,906.05x = 133,417,529,441.01 - Step 5: Solve for x
x = 133,417,529,441.01/542,906.05 - Step 6: Final answer
x = 245,746.99
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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.