Finding the Fourth Proportional to 578,777.16, 868,292.60 and 194,512.24
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Solution
The fourth proportional to 578,777.16, 868,292.60 and 194,512.24 is: 291,810.99
Step by Step Solution
- Step 1: Write the proportion equation
578,777.16 : 868,292.60 = 194,512.24 : x - Step 2: Convert to fraction form
578,777.16/868,292.60 = 194,512.24/x - Step 3: Cross multiply
578,777.16x = 868,292.60 × 194,512.24 - Step 4: Simplify right side
578,777.16x = 168,893,538,601.42 - Step 5: Solve for x
x = 168,893,538,601.42/578,777.16 - Step 6: Final answer
x = 291,810.99
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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.