Finding the Fourth Proportional to 320,777.22, 442,771.16 and 184,901.99
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Solution
The fourth proportional to 320,777.22, 442,771.16 and 184,901.99 is: 255,221.57
Step by Step Solution
- Step 1: Write the proportion equation
320,777.22 : 442,771.16 = 184,901.99 : x - Step 2: Convert to fraction form
320,777.22/442,771.16 = 184,901.99/x - Step 3: Cross multiply
320,777.22x = 442,771.16 × 184,901.99 - Step 4: Simplify right side
320,777.22x = 81,869,265,460.24 - Step 5: Solve for x
x = 81,869,265,460.24/320,777.22 - Step 6: Final answer
x = 255,221.57
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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.