Finding the Fourth Proportional to 474,913.74, 655,380.72 and 260,053.68
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Solution
The fourth proportional to 474,913.74, 655,380.72 and 260,053.68 is: 358,873.95
Step by Step Solution
- Step 1: Write the proportion equation
474,913.74 : 655,380.72 = 260,053.68 : x - Step 2: Convert to fraction form
474,913.74/655,380.72 = 260,053.68/x - Step 3: Cross multiply
474,913.74x = 655,380.72 × 260,053.68 - Step 4: Simplify right side
474,913.74x = 170,434,168,037.05 - Step 5: Solve for x
x = 170,434,168,037.05/474,913.74 - Step 6: Final answer
x = 358,873.95
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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.