Finding the Fourth Proportional to 320,477.49, 442,258.11 and 184,461.75
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Solution
The fourth proportional to 320,477.49, 442,258.11 and 184,461.75 is: 254,556.74
Step by Step Solution
- Step 1: Write the proportion equation
320,477.49 : 442,258.11 = 184,461.75 : x - Step 2: Convert to fraction form
320,477.49/442,258.11 = 184,461.75/x - Step 3: Cross multiply
320,477.49x = 442,258.11 × 184,461.75 - Step 4: Simplify right side
320,477.49x = 81,579,704,922.29 - Step 5: Solve for x
x = 81,579,704,922.29/320,477.49 - Step 6: Final answer
x = 254,556.74
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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.