Finding the Fourth Proportional to 474,802.21, 655,202.48 and 259,901.52
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Solution
The fourth proportional to 474,802.21, 655,202.48 and 259,901.52 is: 358,650.65
Step by Step Solution
- Step 1: Write the proportion equation
474,802.21 : 655,202.48 = 259,901.52 : x - Step 2: Convert to fraction form
474,802.21/655,202.48 = 259,901.52/x - Step 3: Cross multiply
474,802.21x = 655,202.48 × 259,901.52 - Step 4: Simplify right side
474,802.21x = 170,288,120,459.77 - Step 5: Solve for x
x = 170,288,120,459.77/474,802.21 - Step 6: Final answer
x = 358,650.65
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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.